SWIFT MT101 format specifications

The SWIFT MT101 format specifications as available in the SWIFT Category 1 – Message Reference Guide. Links to pages with detailed descriptions of fields will be provided later. Back to the payment messages page.

The SWIFT MT101 format specifications you find on the table below contains the fields that are found in the Block 4 or Text block of a SWIFT message. So it is only part of the information that is exchanged between senders and receivers over the SWIFT network. Here is the link to the whole structure of a SWIFT message (Blocks 1 to 5).

Status	Tag	Field Name	Content/Options	No.
Mandatory Sequence A General Information
M	20	Sender's Reference	16x	1
O	21R	Customer Specified Reference	16x	2
M	28D	Message Index/Total	5n/5n	3
O	50a	Instructing Party	C or L	4
O	50a	Ordering Customer	F, G, or H	5
O	52a	Account Servicing Institution	A or C	6
O	51A	Sending Institution	[/1!a][/34x] 4!a2!a2!c[3!c]	7
M	30	Requested Execution Date	6!n	8
O	25	Authorisation	35x	9
End of Sequence A General Information
-----> Mandatory Repetitive Sequence B Transaction Details
M	21	Transaction Reference	16x	10
O	21F	F/X Deal Reference	16x	11
----->
O	23E	Instruction Code	4!c[/30x]	12
-----\|
M	32B	Currency/Transaction Amount	3!a15d	13
O	50a	Instructing Party	C or L	14
O	50a	Ordering Customer	F, G, or H	15
O	52a	Account Servicing Institution	A or C	16
O	56a	Intermediary	A, C, or D	17
O	57a	Account With Institution	A, C, or D	18
M	59a	Beneficiary	No letter option, A, or F	19
O	70	Remittance Information	4*35x	20
O	77B	Regulatory Reporting	3*35x	21
O	33B	Currency/Original Ordered Amount	3!a15d	22
M	71A	Details of Charges	3!a	23
O	25A	Charges Account	/34x	24
O	36	Exchange Rate	12d	25
-----\| End of Sequence B Transaction Details
M = Mandatory, O = Optional - Network Validated Rules may apply

Links to articles about the MT101:

Back to the whole structure of a SWIFT message or Back to the payment messages page.