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X12 transaction code

X12 860 Purchase Order Change Request

The X12 860 Purchase Order Change Request is the name one trading partner uses for the X12 860 Purchase Order Change Request (Buyer Initiated) transaction set, used when a buyer changes a previously issued order. The buyer sends the 860 to the supplier against a previously transmitted 850 purchase order. The supplier typically responds with an 865 Purchase Order Change Acknowledgment.

Standard
X12
Code
860
Partner references
1

At a glance

X12 860 Purchase Order Change Request at a glance

What the 860 carries, who sends it to whom, when it goes out, and the segments trading partners list for it.

This page lists the partner reference that name the 860 this way. The full EDI 860 guide is on the X12 860 Purchase Order Change Request (Buyer Initiated) page.

X12 860 Purchase Order Change Request summary
Document X12 860 Purchase Order Change Request
Business record Buyer order-change request
Who sends it to whom The buyer sends the 860 to the supplier against a previously transmitted 850 purchase order. The supplier typically responds with an 865 Purchase Order Change Acknowledgment.
When it is sent A buyer's purchasing or ERP system amends an open order, changing quantity, price, date, or line items, after the original 850 has already gone out.
Match on Original purchase order, change revision and affected line
Partner references 1 trading partner in this directory
Related documents X12 850 Purchase Order, X12 865 Purchase Order Change Acknowledgment/Request (Seller Initiated)

Key segments in the X12 860 Purchase Order Change Request

The business segments in the one partner document reference listed below. The table leaves out envelope segments (ISA, GS, ST, SE, GE, IEA). Your partner guide sets which segments and elements your account must send.

Segment Name Purpose Partner references
BCH Beginning Segment (Order Change Request) To indicate the beginning of the purchase order change request transaction set and transmit identifying numbers and dates. 1 of 1
NTE Note/Special Instruction To transmit information in a free-form format, if necessary, for comment or special instruction. 1 of 1
POC Line Item Change To specify changes to a line item. 1 of 1
CTT Transaction Totals To transmit a hash total for a specific element in the transaction set. 1 of 1

Stacksync connects EDI documents such as the X12 860 to your ERP, CRM and databases with two-way sync. Read the EDI overview, check pricing and security, or book a demo to walk through your partner guide.

Implementation guide

X12 860 mapping and validation

X12 860 Purchase Order Change Request is used when a buyer changes a previously issued order. Preserve original purchase order, change revision and affected line so the buyer order-change request in your business system stays connected to the original document.

Use the version and implementation guide agreed with your trading partner to confirm required fields and responses.

Map records and test the business result
Document or decisionRecord and matching IDsWhat to test
Match the business record buyer order-change request

original purchase order, change revision and affected line

  • Define which combination of original purchase order, change revision and affected line identifies one business record, its lines and any later revision.
Update the receiving system Processing the buyer order-change request

ID assigned by the receiving system and processing result

  • Apply a quantity reduction to the existing order instead of creating another order.
  • Test a cancellation arriving after allocation or shipment and route it to an exception owner.
Check the processing result Processing status for the buyer order-change request

Original document reference and matching response

  • Reconcile the buyer order-change request with the source after a timeout before sending it again. A lost response can occur after the destination has already processed the document.

How the related documents differ

Each message represents a different business event. Use shared references to connect the records while tracking each message’s outcome separately.

Implementation steps

  1. Choose the starting event and owner

    Decide which application acts when a buyer changes a previously issued order. Name the operational owner of the buyer order-change request and the team that resolves rejected or ambiguous messages.

  2. Keep record IDs connected

    Map original purchase order, change revision and affected line. Confirm qualifiers, code lists, units and date/time meaning against the agreed X12 version and partner guide. Preserve the source reference alongside any new destination identifier.

  3. Test failures before launch

    Run the failure cases in the mapping table against realistic buyer order-change request data. Check how the receiving system reports a rejection and how your team corrects it without creating a duplicate.

  4. Track every document to completion

    Record transport delivery and document validation separately from successful buyer order-change request processing. Give unresolved errors an owner and check the receiving system before approving retries.

Go-live checklist

  • An approved 860 sample and the agreed version and partner guide are available.
  • The mapping tests pass with realistic buyer order-change request data.
  • Each submitted document can be traced through delivery, validation and processing in the receiving system.
  • Your team knows how to investigate and recover a rejected or timed-out buyer order-change request without processing it twice.

Document structure

X12 860 Purchase Order Change Request at the element level

The X12 860 reference contains 55 segment entries and 162 data elements; 62 are marked mandatory in this reference. Use the version and partner guide agreed for your account to confirm required fields.

Segments
55
Data elements
162
Mandatory elements
62
Segments with elements marked mandatory in this reference
Segment Elements Mandatory
BCH 4 4
CUR 2 2
REF 3 1
PER 2 1
FOB 5 1
N9 2 1
N1 4 1
N2 1 1
N3 2 1
POC 13 1
Key identifiers in 860
  • Transaction Set Purpose Code
  • Purchase Order Type Code
  • Purchase Order Number
  • Date
  • Entity Identifier Code
  • Currency Code
  • Reference Identification Qualifier
  • Contact Function Code

Find your trading partner for X12 860

1 partner, 1 channel. Choose a channel to inspect its listed document reference and implementation context.

Catalog breakdown

Where X12 860 Purchase Order Change Request appears in this catalog

The largest groups of classified 860 catalog entries are in automotive.

By industry

  • automotive 1 channel
Partner entries with the most listed channels

FAQ

X12 860 Purchase Order Change Request questions

What is the X12 860 Purchase Order Change Request?

The X12 860 Purchase Order Change Request is the name one trading partner uses for the X12 860 Purchase Order Change Request (Buyer Initiated) transaction set. Trading partners use it when a buyer changes a previously issued order. It carries the data for the buyer order-change request, and your system matches it on original purchase order, change revision and affected line.

Who sends the X12 860 Purchase Order Change Request and who receives it?

The buyer sends the 860 to the supplier against a previously transmitted 850 purchase order. The supplier typically responds with an 865 Purchase Order Change Acknowledgment. Your trading partner agreement confirms the direction and version for your account.

When is the X12 860 Purchase Order Change Request sent?

A buyer's purchasing or ERP system amends an open order, changing quantity, price, date, or line items, after the original 850 has already gone out. Your partner guide sets any deadline or schedule for the document.

What are the key segments in the X12 860 Purchase Order Change Request?

The one partner document reference listed here includes BCH (Beginning Segment (Order Change Request)), NTE (Note/Special Instruction), POC (Line Item Change), CTT (Transaction Totals). Each partner guide sets which segments and elements your account must send.

What is the difference between 860 and 850?

The 850 is the original purchase order. The 860 changes it after it has gone out: quantities, prices, dates or lines, or a cancellation.

What should I map for X12 860?

Start with original purchase order, change revision and affected line and the target buyer order-change request. Define duplicate detection, allowed updates and response correlation before mapping individual fields. Use the partner guide to check required fields and their formats.

How should I test 860 error handling?

Apply a quantity reduction to the existing order instead of creating another order. Test a cancellation arriving after allocation or shipment and route it to an exception owner. Also test a lost response after destination processing so that a retry cannot create an unintended duplicate or repeated adjustment.

Which partners list X12 860?

The directory on this page links 1 partner entries that list this message. Choose your partner and channel, then confirm which messages and versions your account requires.

Connect EDI to your business systems

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