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X12 transaction code

EDI 943 Warehouse Stock Transfer Shipment Advice (X12 943)

EDI 943 is the X12 Warehouse Stock Transfer Shipment Advice transaction set, used when stock has been shipped toward another warehouse. The supplier or manufacturer sends the 943 to the remote warehouse or 3PL that will receive the inbound stock transfer.

Standard
X12
Code
943
Partner references
9

At a glance

EDI 943 at a glance

What the 943 carries, who sends it to whom, when it goes out, and the segments trading partners list for it.

X12 943 Warehouse Stock Transfer Shipment Advice summary
Document X12 943 Warehouse Stock Transfer Shipment Advice
Business record Warehouse transfer shipment
Who sends it to whom The supplier or manufacturer sends the 943 to the remote warehouse or 3PL that will receive the inbound stock transfer.
When it is sent A supplier releases a replenishment or stock-transfer shipment from its plant or another node to a 3PL warehouse and must tell the facility what is on the truck.
Match on Transfer, sending location and shipped item
Partner references 9 trading partners in this directory
Related documents X12 944 Warehouse Stock Transfer Receipt Advice, X12 947 Warehouse Inventory Adjustment Advice

Key segments in an EDI 943

The business segments that appear in at least half of the 10 partner document references listed below, most common first. 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
W06 Warehouse Shipment Identification To provide identifying numbers, dates, and other basic data for this transaction set. 10 of 10
N1 Name To identify a party by type of organization, name, and code. 10 of 10
W27 Carrier Detail To specify details of the transportation equipment and carrier routing details. 10 of 10
W04 Item Detail Total To designate those line items that were shipped. 10 of 10
W03 Total Shipment Information To provide totals relating to the shipment. 10 of 10
N3 Address Information To specify the location of the named party. 9 of 10
N4 Geographic Location To specify the geographic place of the named party. 9 of 10
N9 Reference Identification To transmit identifying information as specified by the Reference Identification Qualifier. 9 of 10
G62 Date/Time To specify pertinent dates and times. 9 of 10
G69 Line Item Detail - Description To describe an item in free-form format. 9 of 10

Stacksync connects EDI documents such as the X12 943 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 943 mapping and validation

X12 943 Warehouse Stock Transfer Shipment Advice is used when stock has been shipped toward another warehouse. Preserve transfer, sending location and shipped item so the warehouse transfer shipment 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 warehouse transfer shipment

transfer, sending location and shipped item

  • Define which combination of transfer, sending location and shipped item identifies one business record, its lines and any later revision.
Update the receiving system Processing the warehouse transfer shipment

ID assigned by the receiving system and processing result

  • Test a transfer split across several shipments.
  • Record stock in transit without prematurely increasing available stock at the receiving warehouse.
Check the processing result Processing status for the warehouse transfer shipment

Original document reference and matching response

  • Reconcile the warehouse transfer shipment 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 stock has been shipped toward another warehouse. Name the operational owner of the warehouse transfer shipment and the team that resolves rejected or ambiguous messages.

  2. Keep record IDs connected

    Map transfer, sending location and shipped item. 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 warehouse transfer shipment 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 warehouse transfer shipment processing. Give unresolved errors an owner and check the receiving system before approving retries.

Go-live checklist

  • An approved 943 sample and the agreed version and partner guide are available.
  • The mapping tests pass with realistic warehouse transfer shipment 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 warehouse transfer shipment without processing it twice.

Document structure

X12 943 Warehouse Stock Transfer Shipment Advice at the element level

The X12 943 reference contains 24 segment entries and 148 data elements; 43 are marked mandatory in this reference. Use the version and partner guide agreed for your account to confirm required fields.

Segments
24
Data elements
148
Mandatory elements
43
Segments with elements marked mandatory in this reference
Segment Elements Mandatory
W06 12 1
N1 6 1
N2 2 1
N3 2 1
PER 9 1
N9 6 1
G61 5 2
NTE 2 1
W27 10 1
W28 8 1
W04 15 2
G69 1 1
Key identifiers in 943
  • Reporting Code
  • Entity Identifier Code
  • Name
  • Address Information
  • Contact Function Code
  • Reference Identification Qualifier
  • Description
  • Transportation Method/Type Code

Catalog breakdown

Where X12 943 Warehouse Stock Transfer Shipment Advice appears in this catalog

The largest groups of classified 943 catalog entries are in logistics & transport, grocery & food and manufacturing & industrial.

By industry

  • logistics & transport 6 channels
  • grocery & food 3 channels
  • manufacturing & industrial 1 channel

By network

  • L&M Connect 1 channel

FAQ

EDI 943 questions

What is an EDI 943?

EDI 943 is the X12 Warehouse Stock Transfer Shipment Advice transaction set. Trading partners use it when stock has been shipped toward another warehouse. It carries the data for the warehouse transfer shipment, and your system matches it on transfer, sending location and shipped item.

Who sends an EDI 943 and who receives it?

The supplier or manufacturer sends the 943 to the remote warehouse or 3PL that will receive the inbound stock transfer. Your trading partner agreement confirms the direction and version for your account.

When is an EDI 943 sent?

A supplier releases a replenishment or stock-transfer shipment from its plant or another node to a 3PL warehouse and must tell the facility what is on the truck. Your partner guide sets any deadline or schedule for the document.

What are the key segments in an EDI 943?

Across 10 partner document references listed here, the business segments that appear most often include W06 (Warehouse Shipment Identification), N1 (Name), W27 (Carrier Detail), W04 (Item Detail Total), W03 (Total Shipment Information), N3 (Address Information). Each partner guide sets which segments and elements your account must send.

What is the difference between EDI 943 and EDI 944?

The 943 carries the warehouse transfer shipment and is used when stock has been shipped toward another warehouse. The 944 carries the warehouse transfer receipt and is used when a warehouse reports received transfer stock.

What should I map for X12 943?

Start with transfer, sending location and shipped item and the target warehouse transfer shipment. 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 943 error handling?

Test a transfer split across several shipments. Record stock in transit without prematurely increasing available stock at the receiving warehouse. Also test a lost response after destination processing so that a retry cannot create an unintended duplicate or repeated adjustment.

Which partners list X12 943?

The directory on this page links 9 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

See how Stacksync can fit your enterprise EDI workflow. Bring one partner guide and a sample exchange to plan the system mapping, exception handling and production rollout.