Understanding EDI 856 ASN, EDI 810 Invoice, and EDI 820 Payment Order

Cogential It

Sep 21

4 min read

Electronic Data Interchange (EDI) helps businesses exchange important transaction information electronically between suppliers, buyers, retailers, logistics providers, and other trading partners. Instead of relying on paper documents, emails, or manual data entry, EDI allows standardized business documents to move directly between connected systems. Among the most commonly used transaction sets are EDI 856 ASN, EDI 810 Invoice, and EDI 820 Payment Order. Each transaction serves a different purpose within the order-to-cash and supply chain process. Understanding how these documents work together can help businesses improve transaction accuracy, reduce manual effort, and maintain smoother communication with trading partners.

What Is EDI 856 ASN?

EDI 856 ASN, also known as the Advance Shipping Notice, is an electronic document sent by a supplier to notify a buyer or trading partner that an order has been shipped. It provides important shipment details before the goods arrive at their destination.

An ASN can include information such as purchase order numbers, shipment dates, carrier details, tracking information, package quantities, product identifiers, and shipping locations. This gives the receiving business better visibility into an incoming shipment.

For example, when a supplier prepares products for shipment, an EDI 856 ASN can be generated and transmitted electronically to the buyer. The buyer can then prepare its warehouse or receiving department based on the information provided.

The use of EDI 856 ASN can help businesses:

Improve shipment visibility
Prepare warehouses for incoming goods
Reduce receiving errors
Match shipments with purchase orders
Automate shipment notifications
Improve communication with trading partners

By providing shipment information in advance, businesses can make receiving and inventory processes more organized.

What Is EDI 810 Invoice?

After products are shipped or delivered, billing becomes an important part of the transaction. This is where the EDI 810 Invoice is commonly used.

An EDI 810 is an electronic invoice sent by a supplier to a buyer. It contains billing information related to products or services provided. Depending on the trading-partner requirements, an invoice may include purchase order references, product numbers, quantities, prices, taxes, discounts, payment terms, and invoice totals.

Instead of manually preparing and sending invoices, businesses can generate the EDI 810 directly from their ERP, accounting, or order-management systems.

The EDI 810 Invoice can support:

Faster invoice processing
Reduced manual data entry
Better billing accuracy
Automated matching with purchase orders
Improved invoice visibility
More efficient accounts receivable processes

For example, a supplier may receive an order through an EDI 850 Purchase Order, ship the products and send an EDI 856 ASN, and then generate an EDI 810 Invoice based on the completed transaction. Connecting these documents helps create a more structured flow of business information.

What Is EDI 820 Payment Order?

The EDI 820 Payment Order, commonly referred to as the Payment Order/Remittance Advice, is used to communicate payment-related information between trading partners. It can provide details about payments made for invoices and help suppliers understand which invoices or transactions are being settled.

An EDI 820 may contain information such as payment amounts, invoice references, adjustment details, discounts, and remittance information. This information can be transferred electronically between financial systems, ERP platforms, banks, and trading partners according to the applicable business requirements.

The EDI 820 Payment Order can help businesses:

Automate payment-related communication
Improve remittance visibility
Reduce manual reconciliation
Connect payment information with invoices
Support more efficient accounts receivable operations
Reduce errors in payment processing

When integrated properly, the EDI 820 can help suppliers identify payments and reconcile outstanding invoices more efficiently.

How EDI 856, EDI 810, and EDI 820 Work Together

These three EDI transaction sets can form important parts of a connected supply chain workflow.

A typical process may begin when a buyer sends an order to a supplier. Once the supplier processes the order and prepares the shipment, an EDI 856 ASN communicates the shipment details to the buyer.

After shipping or fulfillment, the supplier can send an EDI 810 Invoice containing the billing information. Once payment is processed, an EDI 820 Payment Order can communicate payment and remittance details.

This creates a connected flow:

Order → Shipment → Invoice → Payment

Each transaction provides information needed for the next stage of the business process. When these documents are integrated with ERP, accounting, warehouse, and order-management systems, organizations can reduce repetitive tasks and improve transaction visibility.

Benefits of Integrating EDI Transactions

EDI integration is not limited to transmitting individual documents. Businesses can connect EDI transactions with their existing applications to automate the movement of information between systems.

For example, an EDI integration solution can receive transaction data, validate it, transform it into the required business format, and send the resulting information to an ERP or accounting system.

This approach can provide several benefits:

Improved Accuracy: Automated data exchange reduces the need for repeated manual entry.

Faster Processing: Transactions can move between systems electronically, helping reduce processing delays.

Better Visibility: Businesses can track orders, shipments, invoices, and payment information more efficiently.

Reduced Operational Work: Automation can minimize repetitive administrative activities.

Stronger Trading Partner Communication: Standardized EDI transactions provide a structured method for exchanging business information.

Why Proper EDI Mapping Matters

Successful EDI processing requires accurate mapping between trading-partner requirements and internal business systems. Each trading partner may have specific rules for transaction formats, required fields, codes, and validation requirements.

Proper EDI mapping helps ensure that information from an EDI 856 ASN, EDI 810 Invoice, or EDI 820 Payment Order is correctly interpreted by the receiving system.

Businesses should also monitor acknowledgments, validation errors, rejected transactions, and trading-partner compliance requirements. Ongoing EDI monitoring and support can help identify issues before they significantly affect business operations.

Conclusion

EDI 856 ASN, EDI 810 Invoice, and EDI 820 Payment Order each play an important role in electronic business communication. The 856 provides shipment information, the 810 communicates invoice details, and the 820 supports payment and remittance communication. When these transaction sets are integrated with ERP, accounting, warehouse, and order-management systems, businesses can create a more connected transaction workflow.