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X12 204

X12 204 transaction set, motor-carrier load offer.

Definition

The 204 conveys the details of an offered load: pickup and delivery stops, line items, weight, instructions and payment terms. The carrier replies with a 990 (accept or decline). Wrapped in the ISA/GS/ST envelope with a B2/B2A header.

Origin

Defined by the Accredited Standards Committee X12 (ASC X12), accredited by ANSI, in the Transportation subseries (X12.27 / transaction set 204).

Example in context

ST*204*0001~B2**SCAC**123456**PP~B2A*00~L11*REF123*CR~

  • X12 990 — accept-or-decline response to the load tender.
  • SCAC — carrier code carried in the B2 segment.

Last updated: June 20, 2026