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How to Systematically Dispute and Prevent Invalid Deductions from Major Retailers

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Every retail supplier has to decide if they will dispute retailer deductions. On one hand, undisputed deductions quickly become a cost of doing business, especially when teams lack the time, documentation, or visibility needed to challenge them consistently. 

On the other hand, many deductions are invalid or avoidable. Failing to dispute them can leave significant revenue unrecovered and create ongoing margin leakage over time. But disputing deductions also requires labor, coordination, and operational investment. 

To recover deductions at scale, there needs to be a repeatable deduction management system tied to root-cause prevention

. The goal shouldn’t be to simply win individual disputes. It should be to build a process that consistently recovers revenue, improves retailer compliance, and reduces deduction volume over time. 

In this article, we’ll break down how suppliers can create a systematic approach to disputing invalid deductions, improving recovery rates, and preventing recurring issues 

Before we dive into how to manage and prevent deductions, it’s helpful to understand the terminology. Deduction, chargeback, shortage claim, and fine are common terms retailers use to describe revenue withheld from supplier payments. While they all result in lost revenue, they often stem from different operational issues and follow different dispute processes. 

Unfortunately, this terminology is not standardized across retailers. What one retailer calls a deduction may be categorized as a chargeback, shortage claim, or compliance fine by another. The documentation required to dispute the claim, the systems used to manage it, and the recovery process itself can vary significantly. In general, “revenue loss” serves as a good catch-all for these.  

 that identify the underlying issue. A deduction may be tied to a pricing discrepancy, a shipment shortage, duplicate billing, freight compliance, or OTIF performance. Understanding the deduction code is often the first step in determining whether the claim is valid and what documentation is needed to dispute it. 

Amazon takes a different approach. Rather than grouping all revenue loss under a single deduction framework, 

. Shortage claims typically arise when Amazon believes fewer units were received than were shipped or invoiced. Chargebacks, on the other hand, are generally tied to compliance issues such as ASN errors, late deliveries, or carton labeling problems.  

The key lesson is that suppliers cannot treat all deductions the same or assume that every retailer follows the same rules. Successful recovery starts with understanding how each retailer defines, categorizes, and manages revenue loss. 

Most retailer deductions follow a similar lifecycle, even though the terminology and systems may differ across retailers. Understanding this lifecycle helps suppliers build a repeatable process instead of handling disputes reactively. 

The deduction lifecycle typically includes:  

The process begins when a retailer issues a deduction or chargeback against an invoice. At this stage, suppliers must determine whether the deduction is valid, partially valid, or invalid. That determination depends heavily on documentation such as bills of lading (BOLs), proof of delivery (POD), advance ship notices (ASNs), invoices, and retailer communications. 

If the supplier believes the deduction is invalid, they can submit a dispute through the retailer’s portal or recovery process. However, successful disputes require more than simply disagreeing with the claim. Suppliers need organized supporting documentation and a clear understanding of the retailer’s dispute requirements and timelines. 

In many cases, retailers also allow re-disputes or appeals. But suppliers should weigh the likelihood of recovery against the labor required to continue pursuing the claim. Some retailers impose strict dispute limits or expiration windows, which means delayed action can eliminate recovery opportunities. And knowing the likelihood of re-dispute success, which can also vary from retailer to retailer, should also be taken into consideration at this phase. 

Without a structured process, suppliers may miss dispute windows, submit incomplete claims, or spend excessive time chasing low-value deductions with little chance of recovery. 

Suppliers often lose recoverable revenue when there's no system in place to catch them in time. A reactive approach, where someone reviews deductions when they have a moment, can lead to missed dispute windows, missing documentation, and issues that repeat month after month. 

Instead, building a proactive and systematic approach can help suppliers have more favorable and consistent dispute outcomes.  
 
To start building a dispute system, start with these fundamentals:  

Deductions often fall between finance, operations, and logistics with no single person/team accountable for managing the full lifecycle. Start by designating someone, whether that's an in-house deduction specialist, a finance analyst, or a 

, to own the dispute process end to end.  

Deductions should be reviewed on a set schedule, not whenever time allows. A weekly or biweekly cycle helps ensure disputes are filed before windows close and allows teams to catch patterns as they develop. Waiting until the end of a quarter to address deductions can lead to forfeited recoverable revenue. 

Every retailer imposes limits on how long suppliers have to dispute a deduction. Walmart accepts disputes on deductions less than two years old. Other retailers have far shorter windows, with some as tight as 30 to 60 days from the date of deduction. Missing those windows means loss of revenue, regardless of how strong the case is. 

A dispute is only as strong as the documentation behind it. 

, carrier confirmations, purchase orders, and retailer communications all serve as potential evidence. These documents need to be organized, accessible, and retrievable, not buried in email chains or across multiple systems. The goal is to be able to build a case quickly, before a dispute window closes. 

Not every deduction deserves the same level of effort. Prioritize disputes based on dollar value and the likelihood of recovery. A $15,000 shortage claim with solid documentation and a strong track record of recovery deserves more attention than a $200 compliance fine that's difficult to prove. In addition, tracking dispute outcomes over time helps teams understand where recovery rates are highest and where to focus energy. 

Every deduction (disputed or not) should be captured with the retailer, deduction type, dollar amount, dispute status, outcome, and potential root cause. This log becomes one of the most valuable tools a supplier has. It surfaces recurring patterns, informs prevention efforts, and gives teams real visibility into the true scope of revenue leakage. 

Disputing deductions recovers revenue, but preventing them protects it in the first place. The two should be treated as a connected system, not separate workstreams. 

The most effective prevention programs grow directly out of the dispute process. Every deduction, and whether it's disputed and won, disputed and lost, or written off, contains information about why it happened. That information, if captured and acted on, can prevent the same deduction from occurring again. 

Determining the root cause should be a standard part of every dispute. When a deduction is identified, the question shouldn't just be "can we dispute this?" It should also be "why did this happen?" Most deductions fall into a handful of root cause categories: 

Once root causes are categorized, patterns become visible. If shortage claims are appearing consistently from a specific distribution center, the root cause may be a systemic receiving or documentation issue at that facility. If ASN-related chargebacks are recurring, the issue may be timing or data accuracy somewhere in the EDI process. 

Root cause findings should then be shared across teams. Findings need to reach the people who can actually fix the underlying problem, whether that's warehouse operations, logistics, EDI, or account management. Without that feedback loop, the same issues keep generating the same deductions, and the dispute queue will just keep growing. 

How To Dispute Deductions at Major Retailers  

For an in-depth look at disputing deductions across retailers, dive into our library of revenue recovery best practices:  

 surfaces, validates, and disputes invalid deductions at scale, helping you recover cash you have already earned. With better visibility into why deductions are happening and which ones are worth fighting, you can both stop future revenue leakage and protect your profitability.  

What Is Exception-Based Detection for EDI?

 Exception-based detection is a design principle, not a feature. It requires a system to automatically classify routine processing out of the operator's attention and surface only genuine deviations with enough context to act. Most platforms that claim it only deliver alert-heavy monitoring with a more impressive name. This article defines the term and gives operations and IT leaders four tests to evaluate any vendor's claims. 

What Does "Exception-Based Detection" Actually Mean?

, an operations principle built on a practical observation: Human attention is a scarce resource. Routine processing should run through automation without consuming it. Human judgment gets reserved for cases that genuinely deviate from expected behavior. 

Applied to supply chain software, exception-based detection means a system designed so that the operator's daily attention surface consists only of actual exceptions. Acknowledging routine 850s, validating ASNs matched to POs, returning clean 997s shouldn’t require human attention. What surfaces to the operator are the cases where something went wrong or something unexpected happened. 

The definition is clear enough. The problem is that very few systems actually implement it. 

Most vendors use "exception-based detection" to describe something closer to filtered alerting. The system processes everything, generates alerts for certain conditions, and presents those alerts in a dashboard or inbox. The operator reviews the alerts and decides what's real. 

That's alert triage, not exception-based detection. It's a meaningfully different activity that keeps the classification burden on the human. 

The gap shows up in daily operations quickly. An operator working with genuine exception-based detection logs in and finds a short list of items that actually need attention. An operator working with alert-based monitoring logs in and finds a longer list of flags, many of which are false positives or items that resolved themselves, and has to sort through them to find what matters. 

Both systems have "exceptions." Only one reduces the operator's actual workload. 

What Are the 4 Tests To Evaluate Any Exception-Based Detection Claim?

Marketing language won't tell you which system you're dealing with. These four tests are designed to help you do just that. 

Test 1: Does the System Classify Routine From Non-Routine Automatically?

Routine has to be defined explicitly, such as acknowledged purchase orders, validated advance ship notices matched against PO data, successful functional acknowledgments, and clean invoices within tolerance. The system should classify these automatically, without the operator confirming that routine processing worked. 

When everything gets flagged as a potential exception, the classification layer isn't doing its job. Alert fatigue is the operational symptom. When operators can't tell which alerts matter, they eventually stop trusting any of them. 

What Failing Test 1 Looks Like in Practice

Test 2: Does the System Suppress Routine Traffic From the Operator's Daily View?

This is where most platforms fall short. Many systems classify routine processing correctly but still surface it in a log the operator is expected to review, or in a dashboard where green checkmarks require active scanning to confirm. 

If the operator has to look at routine processing to verify it worked, the suppression layer is incomplete. The human attention cost is lower than full manual monitoring, but it's not what the term promises. 

 distinguishes between active exception management (anticipating deviations before they occur) and passive exception management (intervening after the fact). Genuine suppression requires the active version: The system has to be built so routine traffic never reaches the operator's screen. 

What Failing Test 2 Looks Like in Practice

Test 3: When a Real Exception Fires, Does the Operator Get Enough Context To Act?

Detection without context is an incomplete system. An alert that says "ASN failed" tells the operator something went wrong. It doesn't tell them which PO, which retailer, which specific spec rule triggered the failure, or what the recovery path looks like. 

To act on an exception, an operator needs the trading partner, the document type, the specific failure condition, the downstream impact, and ideally a recommended action or reference to the relevant compliance requirement. Without that context, the operator spends time reconstructing information the system already has, and the exception-detection workflow adds steps rather than removing them. 

 at enterprise scale are designed around this problem. The "see-decide-act" framework requires that what the operator sees at the exception level is sufficient to make a decision without additional investigation. 

What Failing Test 3 Looks Like in Practice

Test 4: Does the System Improve Classification Over Time Based on Operator Response?

Without a feedback loop, exception-based detection degrades. Edge cases accumulate. Trading partner quirks that generate false positives keep generating them. Unusual-but-legitimate document patterns keep triggering alerts. The signal-to-noise ratio worsens over time. 

When an operator marks an alert as a false positive or escalates something the system classified as routine, that signal needs to feed back into classification logic. Systems with learning loops become more accurate. Systems without them don't, and in high-volume EDI environments, even small classification errors at scale produce significant noise. 

This is where AI-assisted exception management has genuine potential. Machine learning classification can improve with operator feedback in a way that rule-based systems don't. 

 suggests AI can improve proactive detection by catching likely failures before they complete when trained on historical patterns. But AI doesn't fix a broken suppression model on its own. Adding AI to a fundamentally noisy system produces AI-powered noise. Tests 1 and 2 have to hold before Test 4 delivers meaningful value. 

What Failing Test 4 Looks Like in Practice

What Does Passing All 4 Tests Look Like in Practice?

In practice, exception-based detection looks like: 

Retailer compliance programs have made the cost of missed exceptions more precise. Walmart's 

 carry chargeback penalties tied directly to delivery accuracy. Amazon's chargeback structure compounds across defect categories. Target, Kroger, and most major retail programs have similar mechanisms. 

A missed exception that translates into a 3% OTIF chargeback or a supplier quality defect on the scorecard makes the difference between real exception detection and alert triage show up directly in margin. That's a measurable consequence, not an operational inconvenience. 

What Are 5 Questions To Ask Any Vendor?

Vendor marketing language for this category has drifted far enough from operational reality that the term itself needs interrogation before signing anything. 

That last question is the most useful. A vendor who can show exception volume declining as the classification model matures is demonstrating Test 4 working in production, which is a meaningfully different data point than a polished dashboard screenshot. 

Is Exception-Based Detection a Feature or an Operating Model?

The software has to be designed around the principle, but so does the team using it. Operators need to trust the suppression layer enough to stop running manual confirmation checks. That trust takes time to build, and it requires Tests 1 and 2 to hold consistently before teams will actually change their habits. 

 makes that combination difficult to sustain. The staffing required to maintain classification logic, handle spec changes across multiple retailers, and build a learning feedback loop is substantial. Managed service arrangements shift that responsibility to a partner and give the customer's team an already-functioning suppression model rather than one they have to build from scratch. 

 is built on this premise: The network manages retailer spec changes and monitors transactions proactively, so supplier teams aren't debugging EDI workflows. What reaches the customer's team are the cases that actually need their attention. 

Whether a supplier reaches that operating model through in-house investment or a managed service partner depends on their scale and internal resources. The four tests apply either way. 

How Amazon Sellers Can Succeed on Amazon Prime Day 2026 (and Beyond) 

, as the official dates for its four-day global ecommerce palooza known as Amazon Prime Day. 

Now that Amazon has answered when Amazon Prime Day will occur, the most pressing question becomes: What should Amazon sellers and brands be doing now to prepare for an influx of orders (and ensure that the influx happens at all)? 

Prime Day, Amazon’s members-only shopping event, 

 on July 15, 2015, the day before Amazon’s 20th birthday. The celebratory sales (Amazon offered more deals than on Black Friday) ran for 24 hours in nine different countries, and the overwhelming response from Prime members (a whopping 398 items were ordered per second) earned the ecommerce event a permanent place on Amazon’s calendar. But permanent doesn’t mean static. 

Fast forward to last year's event, which spanned four days for the first time ever (July 8–11) and 25 different countries. Amazon revealed that 

 was the biggest ever Prime Day event and that customers saved billions of dollars.  

Prime Day 2026 deviates from the usual July schedule but sticks with last year’s four-day span. And with the event mere weeks away, Amazon is already promising Prime members across 26 countries millions of exclusive deals across more than 35 categories, including clothing, beauty, kitchen, home, and electronics.  

 as members’ personal guide to getting the most out of Prime Day. Members can use Alexa to get a personalized deals guide based on shopping history and preferences, set up deal and price alerts for specific products (e.g., “Alert me to deals on handheld vacuums for pet hair.”), enable auto-buying for when a product reaches a certain price, and check a product’s price history. 

For Amazon sellers and brands, prepping for Amazon’s biggest shopping event of the year takes time. 

 must be submitted, listings must be optimized, and advertising must be scaled.  

With such a long and complicated to-do list, Amazon recommends kicking off preparations at least six to eight weeks in advance. Those who do, 

, “see increased visibility, higher conversion rates, and stronger sales performance.” 

At this point, some of the items on your to-do list should already be completed (see 

), but there is still work to be done. Here’s where to put your focus now: 

SPS Support for Prime Day and Every Day 

SPS Commerce has tools that can help Amazon sellers handle huge bursts of growth (à la Prime Day) and protect revenue on the other side of it.  

For Amazon Sellers: Start Your Audit Before Orders Spike 

Prime Day is a high-volume event, which can lead to a high volume of FBA errors like lost inbound shipments, fee overcharges on fast-moving SKUs, return processing errors, and damaged inventory.   

 continuously monitors your Seller Central account, identifies reimbursement-eligible errors across every category, and manages the full claim process in compliance with Amazon’s Terms of Service.  

Most Amazon sellers have recoverable dollars sitting in Seller Central now. Clear your backlog to enter Prime Day with a clean baseline and continuous monitoring in place. 

For Amazon Vendors: Peak Volume Means Peak Deduction Exposure 

For brands supplying Amazon through Vendor Central, Prime Day preparation looks different. Amazon controls your pricing and promotions, but the financial impact is similar. Fulfilling more orders on shorter timelines creates more opportunities for compliance failures like routing guide violations, ASN inaccuracies, and short shipments. The higher the volume, the higher the exposure. 

These errors show up as deductions and chargebacks on your account weeks after Prime Day comes to a close. 

handles them automatically with Amazon Vendor Central-specific workflows that retrieve documentation, submit compliant disputes, and surface root causes so the same issues don’t repeat next quarter.  

Looking Ahead: Start Preparing for the Next Peak

Prime Day 2026 isn’t the only peak event this year. Prime Big Deal Days typically follow in October, and Black Friday isn’t far behind. For sellers and vendors running into operational gaps during this Prime Day, now is the time to address them.  

helps brands manage orders across retail, ecommerce, and marketplace channels in one place. While it can’t be implemented in time for this Prime Day, if you experience fulfillment challenges and want to solve them before the next big event, now is the perfect time to start exploring. 

EDI Program Management: The Difference Between Automating an EDI Task and Operating an EDI Program 

Most suppliers have automated their core EDI transactions: inbound 850s trigger ASNs, 810s route to the correct endpoints, and the basic document flow operates without manual intervention. That's EDI automation, and it solves a real problem. 

But automation only addresses document exchange mechanics. It doesn't address trading partner onboarding workflows, chargeback root-cause analysis, map versioning across retailer specs, or organizational accountability when compliance failures cascade across multiple relationships. That's the domain of an 

: the operational layer that governs how EDI functions as a business capability rather than a technical integration. 

This article defines the boundary between the two, outlines what a structured EDI program requires at the process, staffing, and governance level, and provides a diagnostic framework for assessing where your organization currently sits. 

What EDI Automation Actually Does (and Doesn't Do) 

When a purchase order comes in clean and a shipment goes out on time and nothing changes, automation is great. A system reliably sends, receives, and translates documents. There's real value there. 

The problem is that the happy path isn't always where the money is at risk. 

A retailer changes their ASN spec. A new trading partner needs onboarding. An 856 fires correctly but with the wrong packaging qualifier. Your ERP gets updated and suddenly the mapping is off. None of these are exotic edge cases. They're the normal operational noise of running EDI at any meaningful scale. Automation doesn't catch them. A program does. 

One is a system doing its job. The other is a function continuously managing the relationship between your systems and the people on the other side of them. 

This is where most in-house setups have gaps they don't know about yet. Running an EDI program isn't just keeping the lights on. It's an ongoing operational function. 

, things like SLAs, onboarding speed, mapping ownership, and exception handling, give you a practical way to evaluate whether your current setup is actually covering these bases: 

Most in-house teams handle some of these well and others ad hoc. The ones handled ad hoc are the ones that produce the unpleasant surprises. Triggers for ongoing EDI maintenance work, compliance updates, new partners, business growth, and technology shifts, aren't one-time events. They're continuous. 

The reason this gap doesn't show up immediately is that the first year of in-house EDI usually looks fine. You're stabilizing. Volume is manageable. The team knows the setup because they built it. 

This is when teams say: "If we'd priced this correctly upfront, we might have decided differently." 

 go beyond headcount. They include the time cost of exceptions, the revenue cost of slow onboardings, the margin cost of chargebacks, and the opportunity cost of having operations or IT bandwidth consumed by EDI maintenance instead of whatever those teams were actually hired to do. And as a foundational analysis of in-house vs. outsourced EDI makes clear, EDI is best understood as an ongoing operational capability, not a tool, which is exactly what makes the 24-36 month wall so predictable. 

Three things are accelerating the gap between automation and program operation right now. 

Retailer compliance requirements are getting tighter

, and the SQEP program has added new defect categories. Amazon, Target, and Kroger have all tightened compliance requirements in the past 18 months. Each of those changes is a small project for a supplier managing EDI in-house: a spec to update, a map to adjust, a test to run. Multiply that across your retail partners and it adds up fast. The 

 are real, and Walmart's supplier requirements leave little room for the kind of lag that an understaffed in-house program produces. 

The AI/automation hype is making this harder to see clearly

Vendors are promising "zero-touch EDI" and "AI-powered automation," and some of that is real. But better automation doesn't eliminate the need for program operation. It just means the happy path is faster. The exceptions, the spec changes, the escalations: those still require people and process. 

A lot of in-house EDI setups are hitting the 24-36 month wall

Suppliers who built or scaled their EDI infrastructure in 2022-2023 are seeing the true run rate for the first time. For many, the math doesn't look the way it did when the decision was originally made. 

When automation is doing the work that a program should be doing, four failure modes show up consistently. 

One analyst knows everything. They know the retailer quirks, the mapping edge cases, and the escalation contacts. When they're out or leave, the function is at risk. This isn't a people problem; it's a structural one. 

Every retailer update becomes its own unplanned project. The team is always reacting. Onboardings get delayed because the team is tied up working through a spec change they didn't see coming. 

Exceptions that should be caught and resolved quickly start accumulating. Some turn into chargebacks before anyone gets to them. The backlog becomes a kind of invisible debt. 

, including mapping mismatches, acknowledgment failures, and data format issues, are individually manageable, but they compound when no one owns the resolution function end-to-end. 

Chargebacks land in AR, but their root causes trace back to transportation, EDI, warehouse execution, master data, and item setup, which means no single person owns the fix, and the decline continues until a retailer flags it directly. Scorecard performance drifts down without a clear trigger, and by the time it's visible, the damage is already done. 

All four of these are symptoms of the same structural problem: an automated task stack being asked to do the work of an operational program. 

Five Questions to Diagnose Where You Are 

Ask these questions to your own team. The answers will tell you whether you have an EDI program or a collection of automated tasks waiting for something to go wrong. 

Most build-vs-buy discussions in EDI focus on software: do you build your own translation engine, buy a point solution, or use a full-service provider? That's not the actual decision. 

The actual decision is whether to operate an EDI program in-house or outsource the operation.

Software is a means. Program operation is the function. You can buy excellent EDI software and still not have a program, because the software sends documents but doesn't own the spec changes, the exceptions, the onboardings, or the after-hours escalations. 

When Josh Tobler, IT Director at Osborn International, moved off their in-house SAP EDI setup, the framing wasn't about software features. It was about not needing internal EDI experts because 

 handles partner onboarding, troubleshooting, and ongoing configuration. That's the program-operation model: the function lives outside your headcount, and the accountability for keeping it running lives with the partner. 

SPS Fulfillment is built around program operation, not task automation. The difference shows up in what's included: trading partner onboarding, mapping maintenance, spec change management, exception resolution, compliance monitoring, and the people who do those things day to day. 

That's not a pitch for more software. It's a different operating model, one where the question "who handles the 2 a.m. ASN exception?" has an answer that isn't a single analyst at your company. 

If the five questions above produced uncomfortable answers, that's worth taking seriously. The cost of running an EDI program in-house is often higher than it looks, and the gap between automation and program operation is usually where that cost hides. 

 program management and whether it's the right fit for your operation.

For more on EDI program management, see 

What Happens After a Retailer Says Yes: The First 90 Days for a New Supplier 

Landing a "yes" from a major retail buyer is often the most celebrated moment in a CPG brand's history. This verbal or written agreement feels like the finish line of a long, grueling marathon of pitching, sampling, and negotiating. However, in the world of modern retail, that "yes" is the starting line for a high-stakes, 90-day operational sprint. 

The transition from a commercial agreement to a functional supply chain partnership is where most emerging brands stumble. The first three months are won or lost on operational infrastructure, not on the enthusiasm that won over the buyer. This period requires a shift in mindset from sales-driven hustle to a disciplined focus on data integrity, electronic data interchange (EDI) compliance, and logistics precision. 

The Realities of the Modern Onboarding Sprint 

The stakes for new suppliers have never been higher, as national retailers increasingly court direct-to-consumer (DTC) brands to refresh their shelves. While this provides massive growth opportunities, it coincides with a period where retailer compliance programs have become significantly stricter. For instance, Walmart’s On-Time In-Full (OTIF) program penalizes non-compliant shipments at 3% of the cost of goods, and Target has implemented rigorous enforcement for advance ship notice (ASN) accuracy. 

Many suppliers underestimate the gap between receiving a purchase order (PO) and being operationally ready to fulfill it. Success in the first 90 days depends on building a foundation 

 the first order arrives, rather than scrambling to set up systems after the clock has started ticking. 

Phase 1: The Data Foundation and Item Setup 

The first point of failure for new suppliers is almost always 

. This process involves translating product details into the retailer's specific systems, and even minor discrepancies can lead to catastrophic downstream failures. 

Inaccurate universal product codes (UPCs), missing case dimensions, or inconsistent weights can cause products to be rejected at the distribution center (DC) or misidentified on the shelf. For example, a simple labeling error could lead to out-of-stocks in some stores and overstocks in others because a retailer’s system could not track the inventory correctly. 

Leveraging Product Information Management (PIM) 

To mitigate these risks, sophisticated suppliers use 

. A PIM serves as a single source of truth for all product data, ensuring that the dimensions, descriptions, and images sent to a retailer match exactly what is on the physical pallet. Getting this right in the first 30 days is essential for preventing receiving errors and early chargebacks. 

Once the items are set up, the supplier must establish a reliable digital connection with the retailer through EDI. The timeline for testing these connections is often much tighter than new suppliers expect. 

A successful 90-day sprint requires mastering four primary EDI documents: 

The EDI 856 is arguably the highest-leverage document in the entire onboarding process. Retailers use the ASN to plan labor at their distribution centers. If the ASN is late, or if the data in the ASN does not perfectly match what is on the truck, it triggers immediate penalties and delays the entire receiving process. Automation is often necessary here, because manual data entry for high-volume retail orders is a recipe for compliance failure. 

Phase 3: Logistics and the Routing Guide 

Fulfilling a retail order is fundamentally different from shipping a DTC package. New suppliers often try to apply "DTC velocity" to retail logistics, only to be buried by the complexity of a retailer’s routing guide. 

A routing guide is a comprehensive manual provided by the retailer that dictates exactly how, when, and where a shipment must be delivered. It covers everything from pallet height and labeling requirements to the specific carriers that must be used. For example, 

 included stricter inbound routing rules and fee schedules that suppliers must follow to avoid deductions. 

A shipment can be perfect from the supplier's perspective, arriving with the right product at the right time, and still trigger chargebacks if the routing rules were ignored. Retailers have specific vendor requirements that, if not met, result in non-compliance penalties. Suppliers must ensure their internal operations teams or 3PL providers have run the routing guide end-to-end before the first PO is shipped. 

Phase 4: Chargebacks as a Diagnostic Tool 

In the first 90 days, suppliers should view chargebacks not as a billing headache, but as a critical diagnostic signal. A chargeback is the retailer's way of telling a supplier that their operational foundation may have issues. 

Accumulating chargebacks in the first quarter sends a message to the buyer that the supplier is unreliable. While some deductions may be invalid and worth disputing, a high volume of penalties usually indicates systemic issues in EDI, labeling, or shipping accuracy. By monitoring 

 (EDI 820), suppliers can link payments to invoices and quickly identify where errors are occurring to prevent them from becoming recurring costs. 

Success at the end of the first 90 days looks like more than just products on shelves. Supplier success looks like a repeatable, scalable process. A "ready" supplier has working EDI connections that have been fully tested, clean item data verified against retailer specs, an operations team that follows the routing guide religiously, and a chargeback monitoring process that catches errors before they erode margins. 

The brands that thrive in the long term are those that treat the "yes" as the beginning of the work. By investing in the right operational infrastructure (such as robust 

 solutions) suppliers can ensure that their first 90 days lead to hundreds more quarters of growth. 

Want To Turn Your Retail "Yes" Into Long-Term Success?  

Navigating the complexities of retail onboarding, from EDI compliance to complex routing guides, can be daunting for even the most experienced teams. 

 provides the deep-dive resources, compliance guides, and expert insights you need to master the first 90 days and beyond. Explore our comprehensive library of articles and tools designed to help suppliers build resilient, high-performing supply chains. 

Understanding Net Sales Leakage

For many CPG companies, revenue growth can create a false sense of security. Sales may look strong on paper while profits continue to shrink behind the scenes. The real problem often appears after the invoice is sent, when deductions, chargebacks, returns, and operational mistakes begin reducing the final payment. 

This problem is known as net sales leakage, which represents the gap between gross sales and the money a company actually keeps. 

Net Sales = Gross Sales − (Trade Spend + Deductions + Compliance Chargebacks + Returns + Shortages)

Every item listed in that equation, from trade spend to shortages, reduces margin. Over time, small problems spread across multiple departments can turn into major financial losses. 

In today’s retail environment, net sales leakage has become one of the clearest indicators of operational health. Companies that manage leakage effectively usually have stronger supply chain systems, cleaner financial reporting, and better control over profitability. 

Why Net Sales Leakage Matters More in 2026 

Retailers are placing more pressure on suppliers than ever before. Automated compliance systems, stricter shipping requirements, and delayed deductions are creating new risks for brands of every size. 

At the same time, many companies still manage leakage in disconnected ways. Sales teams focus on promotions, finance teams handle deductions, and operations teams deal with shipping compliance. Because ownership is spread across departments, problems often grow without a coordinated response. 

Industry estimates show how expensive leakage can become: 

For mid-sized brands, these losses can remove millions of dollars from working capital each year. 

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