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ISO 20022 bank transaction code

PMNT/LBOX/LBDP: Lockbox deposit

A lockbox deposit: the bank collected cheques mailed to a lockbox on your behalf, processed them together and credited the total.

PMNT/LBOX/LBDP at a glance
DomainPMNT Payments
FamilyLBOX Lockbox Transactions
Sub-familyLBDP Lockbox Deposits
DirectionCredit (money in): CdtDbtInd CRDT
MT940 type with the same meaningNLBX Lock box

What PMNT/LBOX/LBDP means

A bank transaction code classifies an entry in three levels, each narrower than the last. Read together, PMNT/LBOX/LBDP reads Payments › Lockbox Transactions › Lockbox Deposits.

  • PMNT (Payments). Every movement of funds between parties, such as transfers, direct debits, cheques, cards and cash.
  • LBOX (Lockbox Transactions). Cheques the bank collected at a lockbox for the account owner and processed together.
  • LBDP (Lockbox Deposits).

Where it sits in a camt.053

The code is in each entry’s BkTxCd/Domn block, the same way in camt.052, camt.053 and camt.054 and in every version from .001.02 to .001.13:

camt.053.001.08 · an entry
<Ntry>
  <Amt Ccy="EUR">1250.00</Amt>
  <CdtDbtInd>CRDT</CdtDbtInd>
  <Sts><Cd>BOOK</Cd></Sts>
  <BkTxCd>
    <Domn>
      <Cd>PMNT</Cd>
      <Fmly>
        <Cd>LBOX</Cd>
        <SubFmlyCd>LBDP</SubFmlyCd>
      </Fmly>
    </Domn>
  </BkTxCd>
  …
</Ntry>

Banks may add their own code in BkTxCd/Prtry, next to the ISO code or instead of it (a German bank’s three-digit business transaction code, for example). Prefer the ISO code for rules that should work across banks.

What the entry carries

The statement usually shows one credit per deposit; the detail per cheque (payer, cheque number, invoice) comes from the bank’s lockbox report or the entry’s TxDtls, depending on the bank.

In an MT940

An MT940 has no ISO code: each :61: statement line carries a three-letter transaction type after an identification letter. The one with the same meaning is NLBX (Lock box). It is coarser than the ISO code, so several ISO codes share it.

The MT940 Viewer converts MT940 to camt.053, and keeps the :61: type as a proprietary code (BkTxCd/Prtry, issuer SWIFT) rather than guessing an ISO code. All the types are in the MT940 transaction type codes.

Look up PMNT/LBOX/LBDP from a script or an AI agent

Scripts and AI agents get this code’s name, definition, where it sits and the address of this page from GET /api/v1/explain, keyless, or from the explain_code tool of the MCP server (API and MCP docs; add it to Claude, Cursor or VS Code).

REST · curl
curl -s 'https://iso20022-navigator.com/api/v1/explain?code=PMNT%2FLBOX%2FLBDP'