Costco EDI 180 Return Merchandise Authorization and Notification

Schema Reference

20 segments · X12 180 Return Merchandise Authorization and Notification

ISA01 Authorization Information Qualifier

M ID 2-2

ISA02 Authorization Information

M AN 10-10

ISA03 Security Information Qualifier

M ID 2-2

ISA04 Security Information

M AN 10-10

ISA05 Interchange ID Qualifier

M ID 2-2

ISA06 Interchange Sender ID

M AN 15-15

ISA07 Interchange ID Qualifier

M ID 2-2

ISA08 Interchange Receiver ID

M AN 15-15

ISA09 Interchange Date

M DT 6-6

ISA10 Interchange Time

M TM 4-4

ISA11 Interchange Control Standards Identifier

M ID 1-1

ISA12 Interchange Control Version Number

M ID 5-5

ISA13 Interchange Control Number

M N0 9-9

ISA14 Acknowledgment Requested

M ID 1-1

ISA15 Usage Indicator

M ID 1-1

GS01 Functional Identifier Code

M ID 2-2

GS02 Application Sender's Code

M AN 2-15

GS03 Application Receiver's Code

M AN 2-15

GS04 Date

M DT 8-8

GS05 Time

M TM 4-8

GS06 Group Control Number

M N0 1-9

GS07 Responsible Agency Code

M ID 1-2

GS08 Version / Release / Industry Identifier Code

M AN 1-12

ST01 Transaction Set Identifier Code

M ID 3-3

ST02 Transaction Set Control Number

M AN 4-9

BGN01 Transaction Set Purpose Code

M ID 2-2

BGN02 Reference Identification

M AN 1-30

BGN03 Date

M DT 8-8

BGN04 Time

C TM 4-8

BGN05 Time Code

O ID 2-2

PRF01 Purchase Order Number

M AN 1-22

PRF04 Date

O DT 8-8

DTM01 Date/Time Qualifier

M ID 3-3

DTM02 Date

C DT 8-8

DTM03 Time

C TM 4-8

DTM04 Time Code

O ID 2-2

N901 Reference Identification Qualifier

M ID 2-3

N902 Reference Identification

C AN 1-30

N903 Free-form Description

C AN 1-45

TD505 Routing

C AN 1-35

NTE02 Description

M AN 1-80

N1 Loop Repeat: 200

N101 Entity Identifier Code

M ID 2-3

N102 Name

C AN 1-60

N301 Address Information

M AN 1-55

N302 Address Information

O AN 1-55

N401 City Name

O AN 2-30

N402 State or Province Code

O ID 2-2

N403 Postal Code

O ID 3-15

N404 Country Code

O ID 2-3

PER01 Contact Function Code

M ID 2-2

PER03 Communication Number Qualifier

C ID 2-2

PER04 Communication Number

C AN 1-80

PER05 Communication Number Qualifier

C ID 2-2

PER06 Communication Number

C AN 1-80

PER07 Communication Number Qualifier

C ID 2-2

PER08 Communication Number

C AN 1-80

BLI Loop

BLI01 Product/Service ID Qualifier

M ID 2-2

BLI02 Product/Service ID

M AN 1-48

BLI03 Quantity

O R 1-15

BLI04 Unit or Basis for Measurement Code

O ID 2-2

BLI08 Product/Service ID Qualifier

C ID 2-2

BLI09 Product/Service ID

C AN 1-48

N901 Reference Identification Qualifier

M ID 2-3

N902 Reference Identification

C AN 1-30

N903 Free-form Description

C AN 1-45

PID01 Item Description Type

M ID 1-1

PID02 Product/Process Characteristic Code

O ID 2-3

PID05 Description

C AN 1-80

RDR04 Description

O AN 1-80

MEA02 Measurement Qualifier

O ID 1-3

MEA03 Measurement Value

C R 1-20

PRF01 Purchase Order Number

M AN 1-22

PRF04 Date

O DT 8-8

SE01 Number of Included Segments

M N0 1-10

SE02 Transaction Set Control Number

M AN 4-9

Automating Costco EDI 180

Stacksync validates, transforms, and delivers your 180 transactions automatically — so your team can focus on operations, not EDI compliance.

Validate

Transform

Route

Monitor

Stacksync processes Costco EDI 180 (Return Merchandise Authorization and Notification) documents automatically — syncing data to your system in real time with no manual intervention required.

Costco EDI 180 FAQ

Common questions about 180 Return Merchandise Authorization and Notification transactions with Costco.

How long does it take to set up Costco EDI with Stacksync?

Most suppliers are fully connected and processing live Costco EDI transactions within 3–5 business days. Stacksync's no-code setup means you don't need developers or EDI consultants — configure your field mappings through our visual interface, run a test cycle, and go live.

Do I need an existing VAN or AS2 connection to trade with Costco?

No. Stacksync handles the entire EDI transport layer. We connect directly to Costco's trading partner network through our certified connections. You don't need to manage a separate VAN subscription, AS2 certificates, or SFTP configurations.

How does Stacksync help with Costco compliance?

Stacksync improves compliance scores by eliminating manual processing delays. Purchase Orders sync to your system in real time, ASNs are generated automatically when you ship, and invoices are validated with three-way matching before submission. Real-time monitoring alerts you to issues before they become chargebacks.

What EDI document types does Stacksync support for Costco?

Stacksync supports all EDI document types required by Costco — including Purchase Orders (850), Invoices (810), ASNs (856), PO Acknowledgments (855), and more. Our platform handles the full lifecycle from order to payment automatically.

Can I connect Costco EDI to my existing ERP or WMS?

Yes. Stacksync integrates with any system that has a database or API — including SAP, Oracle, NetSuite, Microsoft Dynamics, and custom-built ERPs. Data flows bidirectionally between Costco's EDI network and your system in real time.

What happens when Costco updates their EDI specifications?

Stacksync monitors Costco's EDI spec changes and updates our mappings proactively. When a change affects your integration, we notify you and apply updates — so you stay compliant without scrambling to decode new implementation guides.