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Sam's Club ASN Requirements: A Guide for Suppliers

Learn about Sam's Club ASN requirements and how to avoid chargebacks as a supplier with our comprehensive EDI guide tailored for SMBs.
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Christopher Rosecrans

April 30, 2026 · 6 min read

Sam's Club ASN Requirements: Avoiding Chargebacks as a Supplier

When doing business with Sam's Club, understanding the Sam's Club ASN requirements is crucial for suppliers. Advanced Shipping Notices (ASNs) play a vital role in ensuring timely deliveries and maintaining good relationships with large retailers. Failure to comply with these requirements can lead to costly chargebacks. In this guide, we’ll explore the essentials of ASN and labeling, including the GS1-128 label, and how small and mid-sized businesses (SMBs) can effectively integrate EDI without the burden of a dedicated IT team.

What is an ASN?

An Advanced Shipping Notice (ASN) is an electronic document that provides detailed information about a shipment before it arrives at its destination. It typically includes:

  • Shipment details
  • Item descriptions
  • Quantities
  • Tracking numbers

For Sam's Club, accurate ASNs are crucial for efficient inventory management and order fulfillment. By providing accurate and timely ASNs, suppliers can ensure smoother operations and fewer disputes.

Why ASN Accuracy Matters

Chargebacks: A Costly Consequence

Failure to meet ASN requirements can result in chargebacks—a penalty imposed by Sam's Club for discrepancies between what was shipped and what was reported. Common reasons for chargebacks include:

  • Incorrect item counts
  • Missing items
  • Mislabeling

By adhering to ASN accuracy, suppliers can significantly reduce the risk of facing these chargebacks, which can impact profitability.

The Role of EDI in ASN Compliance

Implementing EDI (Electronic Data Interchange) can simplify the process of creating and sending ASNs. For SMBs, using an AI-first EDI solution allows for self-serve onboarding and management, eliminating the need for a dedicated IT team.

How SignalEDI Can Help

With SignalEDI’s intuitive platform, you can generate accurate ASNs quickly. Our AI agents prepare your mapping and validation, ensuring your side is ready in days. Plus, we offer flat monthly pricing, starting at approximately $199/mo for our Starter tier, with no hidden fees. Our service includes healthcare transaction sets, so you can cater to various trading partner requirements without the added complexity.

Understanding Sam's Club GS1-128 Labels

The GS1-128 label is a standardized way to label products and packages for shipment. It contains essential information that helps Sam’s Club track and manage inventory effectively. Here’s what you need to know about these labels:

Key Components of a GS1-128 Label

  1. Application Identifiers (AIs): These are prefixes that indicate the type of data that follows.
  2. Product Identifiers: This includes the GTIN (Global Trade Item Number).
  3. Batch Numbers and Expiration Dates: Important for managing product recalls and inventory freshness.

Best Practices for Labeling

  • Ensure labels are printed clearly and accurately.
  • Use the correct AIs for your products to avoid confusion.
  • Test labels before shipment to ensure they scan correctly at the receiving dock.

Avoiding Chargebacks: Best Practices for Suppliers

1. Invest in EDI Software

Choosing the right EDI software for small business can speed up your ASN process. Look for a solution that offers self-serve capabilities and is tailored for SMBs. SignalEDI’s platform automates onboarding and allows for easy management of your EDI transactions.

2. Regularly Review Trading Partner Requirements

Always stay updated on trading partner requirements. Sam's Club may change their ASN requirements, so keeping track of these changes is essential to avoid penalties.

3. Conduct Internal Audits

Regularly inspect your ASN submissions for accuracy. This proactive approach helps identify issues before they turn into chargebacks.

4. Utilize EDI Transaction Set References

Familiarize yourself with EDI transaction set reference for ASNs. Understanding the format and requirements can help prevent errors.

FAQs

What are the main Sam's Club ASN requirements?

Sam's Club requires accurate shipment details, including item descriptions, quantities, and tracking numbers. ASNs must be submitted prior to the arrival of goods.

How can chargebacks be avoided?

Chargebacks can be avoided by ensuring ASN accuracy, adhering to labeling requirements, and regularly reviewing trading partner guidelines.

Is EDI suitable for small businesses?

Yes! EDI solutions like SignalEDI are designed for SMBs, providing affordable pricing and self-serve onboarding that does not require a dedicated IT team.

Conclusion

Navigating the world of Sam's Club ASN requirements can be challenging, but with the right tools and strategies, you can minimize chargebacks and maintain a successful partnership. SignalEDI’s AI-first platform provides an affordable, self-serve solution, enabling SMBs to manage their EDI needs effectively.

Ready to get started? Register now or check out our QuickStart guide to see how we can help your business thrive.

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