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PAI

EDIFACT payment instructions segment (means, guarantee, channel).

Definition

PAI carries the mandatory composite C534, whose data element 4461 "Payment means code" states the payment method (e.g. 31 = credit transfer, 42 = payment to bank account), 4431 the guarantee, 4439 the conditions and 4435 the channel. Not to be confused with PAT (terms and due dates) or FII (bank account details).

Origin

Defined in the UN/EDIFACT trade segment directory (UNTDID, segment PAI; composite C534), maintained by UNECE (UN/CEFACT).

Example in context

PAI+::42 — payment by transfer to bank account

  • PAT — payment terms and due dates.
  • FII — account and financial institution for the payment.

Last updated: June 20, 2026