SWIFT MT103 Field 50F — Ordering Customer (Structured)
Last reviewed: · Curated by Ohmyfin Organisation editorial.
Field 50F is the structured ordering-customer format introduced to align MT103 with ISO 20022. It carries the originator's identifier, name, address, country and date/place of birth in tagged sub-fields.
How an MT103 maps to the UETR (field 121), sender reference (field 20), value-date/currency/amount (field 32A) and beneficiary details. Source: SWIFT MT103 specification.
Details
Sub-fields use a numeric tag prefix: 1/ name, 2/ address, 3/ country and town, 4/ date of birth, 5/ place of birth, 6/ customer identification number, 7/ national identifier, 8/ additional information.
Banks worldwide are migrating from 50K to 50F as ISO 20022 coexistence ends in November 2025.
Quick facts
SWIFT field specification
Example value
:50F:/12345678\nJOHN DOE\n1/123 MAIN ST\n2/LONDON GB
Valid characters / format
Account + structured name/address (lines 1-7)
Required on MT103
Mandatory
Required on MT202
Not used
Required on pacs.008
Mandatory
Notes
Structured ordering customer. Replaced by <Dbtr> ISO20022 block.
Key facts
ISO 20022-aligned structured originator
Tagged sub-fields for name, address, country, ID
Replacing 50K as the default
Mandatory in many EU/EEA jurisdictions
Frequently asked questions
Why move from 50K to 50F?
Structured data improves sanctions screening, automated compliance and ISO 20022 readiness.
Related — more from swift field reference and beyond
Get 100 free credits — track unlimited SWIFT payments
No card needed. Free for ordinary users — 5 IP-based lookups per day, plus 100 credits instantly when you sign up with email. Use them on any international wire across 11,000+ banks.
