Settlement Glossary
MT103
An MT103 is the SWIFT message banks used for decades to instruct a single cross-border customer credit transfer; it proves an instruction was sent, never that funds settled, and its ISO 20022 successor is pacs.008.
The MT103 was the workhorse message of international payments: the SWIFT instruction for a single customer credit transfer, one company or person paying another across borders. If you wired money internationally between the 1980s and 2025, an MT103 almost certainly described it.
It also became the most misunderstood document in cross-border payments. Businesses ask for “the MT103” as proof that they have been paid. It is proof of something narrower: that the sending bank issued an instruction. The money it describes still has to travel, hop by hop, across the correspondent banking chain, funded through nostro accounts, subject to each intermediary’s compliance checks, cut-off times, and fees. The message moves in seconds. The settlement it describes can take days, and until the receiving bank credits the beneficiary with final funds, nothing about the MT103 guarantees the outcome. Settlement finality is a property of the money, and a message never has it.
A message, dissected
An MT103 carried the essentials in numbered fields: sender’s reference, value date, currency and amount, ordering customer, beneficiary, and the banks in between. Since 2018 each payment has also carried a UETR, a unique end-to-end reference that lets banks trace a payment across the chain. The format’s limits were real: free-text name and address lines that screening systems had to guess at, and remittance information that intermediaries routinely truncated.
Retirement, mostly
On 22 November 2025, SWIFT’s coexistence period for cross-border payments ended and the MT payment instruction messages, the MT103 among them, were retired in favor of their ISO 20022 equivalents. The successor, pacs.008, carries the same instruction with structured party data and richer remittance detail.
The name will outlive the format. Banks still issue “MT103 confirmations” generated from pacs.008 data because three generations of treasurers learned to ask for one. There is no harm in the habit, provided the holder remembers what the document is: a receipt for an instruction, issued at the start of a journey it does not control.
Common questions
- Is an MT103 proof of payment?
- It is proof that a payment instruction was sent, which is weaker than it sounds. An MT103 shows that the sending bank told the next bank in the chain to credit the beneficiary. The money itself still has to move across correspondent accounts, clear each intermediary's checks, and reach the receiving bank. A payment can be delayed, repaired, or returned after a perfectly valid MT103 has been issued.
- What replaced the MT103?
- The pacs.008 message, the ISO 20022 customer credit transfer. SWIFT's coexistence period for cross-border payments ended on 22 November 2025, retiring the MT payment instruction categories in favor of their ISO 20022 equivalents. The pacs.008 carries the same instruction with far more structured data: full party details, purpose codes, and remittance information that survives the whole journey.
- Can I still request an MT103 from my bank?
- In practice you will now receive the equivalent confirmation drawn from the pacs.008 message, and many banks still label it an MT103 because customers know the term. What matters is the content: the sender, receiver, amount, value date, and the reference that lets the receiving bank trace the payment. For tracing a delayed payment, that reference, the UETR, is the useful part.
Related terms
Sources
Last reviewed 2026-07-16