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NbOfTxs

ISO 20022 Number of Transactions control element, pain and pacs messages.

Definition

NbOfTxs states the number of transactions. Present in the GrpHdr (message total) and in each PmtInf (block total), it is reconciled by the receiving bank against the actual count and against CtrlSum; a mismatch causes the message to be rejected. It appears in pain.001, pain.008 and the pacs messages.

Origin

Defined across the ISO 20022 Message Definition Reports of the pain and pacs families, ISO TC 68/SC 9, maintained by the Registration Management Group.

Example in context

<GrpHdr><NbOfTxs>2</NbOfTxs><CtrlSum>13250.00</CtrlSum></GrpHdr>

  • GrpHdr — header carrying the message total.
  • PmtInf — block carrying the partial total.

Last updated: June 20, 2026