| ISO20022

MT501 Scope

This message is sent by an account servicer (account servicing institution) to an account owner. The account owner may be a global custodian which has an account with its local agent (sub custodian), a local agent (sub custodian) which has an account with its clearing agent, or a registration provider or a financial institution which has an account with its local agent (sub custodian).

This message is used to:

confirm the registration, reregistration or deregistration of a beneficial owner or shareholder with the registration provider (the function of the message is NEWM),
confirm the modification of registration details (the function of the message is NEWM),
cancel a confirmation of registration or modification previously sent by the account servicer (the function of the message is CANC).

MT501 Format Specifications

Status	Tag	Qualifier	Generic Field Name	Detailed Field Name	Content/Options	No.
Mandatory Sequence A General Information
M	16R			Start of Block	GENL	1
M	20C	SEME	Reference	Sender's Message Reference	:4!c//16x	2
M	23G			Function of the Message	4!c[/4!c]	3
O	98a	PREP	Date/Time	Preparation Date/Time	A, C, or E	4
M	22F	CONF	Indicator	Type of Confirmation Indicator	:4!c/[8c]/4!c	5
-----> Mandatory Repetitive Subsequence A1 Linkages
M	16R			Start of Block	LINK	6
O	22F	LINK	Indicator	Linkage Type Indicator	:4!c/[8c]/4!c	7
O	13a	LINK	Number Identification	Linked Message	A or B	8
M	20C	4!c	Reference	(see qualifier description)	:4!c//16x	9
M	16S			End of Block	LINK	10
-----\| End of Subsequence A1 Linkages
M	16S			End of Block	GENL	11
End of Sequence A General Information
Mandatory Sequence B Registration Details
M	16R			Start of Block	REGDET	12
----->
M	20D	4!c	Reference	(see qualifier description)	:4!c//25x	13
-----\|
----->
O	22F	4!c	Indicator	(see qualifier description)	:4!c/[8c]/4!c	14
-----\|
M	98a	4!c	Date/Time	(see qualifier description)	A or C	15
M	35B			Identification of the Financial Instrument	[ISIN1!e12!c] [4*35x]	16
Optional Subsequence B1 Financial Instrument Attributes
M	16R			Start of Block	FIA	17
O	94B	PLIS	Place	Place of Listing	:4!c/[8c]/4!c[/30x]	18
----->
O	22F	4!c	Indicator	(see qualifier description)	:4!c/[8c]/4!c	19
-----\|
----->
O	12a	4!c	Type of Financial Instrument	(see qualifier description)	A, B, or C	20
-----\|
O	11A	DENO	Currency	Currency of Denomination	:4!c//3!a	21
----->
O	98A	4!c	Date/Time	(see qualifier description)	:4!c//8!n	22
-----\|
----->
O	92A	4!c	Rate	(see qualifier description)	:4!c//[N]15d	23
-----\|
----->
O	13a	4!c	Number Identification	(see qualifier description)	A or B	24
-----\|
----->
O	17B	4!c	Flag	(see qualifier description)	:4!c//1!a	25
-----\|
----->
O	90a	4!c	Price	(see qualifier description)	A or B	26
-----\|
----->
O	36a	4!c	Quantity of Financial Instrument	(see qualifier description)	B or D	27
-----\|
O	70E	FIAN	Narrative	Financial Instrument Attribute Narrative	:4!c//10*35x	28
M	16S			End of Block	FIA	29
End of Subsequence B1 Financial Instrument Attributes
Mandatory Subsequence B2 Financial Instrument/Account
M	16R			Start of Block	FIAC	30
M	36a	RREG	Quantity of Financial Instrument	Quantity of Financial Instrument Registered	B or D	31
O	93a	FICL	Balance	Final Closing Balance	B or F	32
O	95a	ACOW	Party	Account Owner	P or R	33
M	97a	4!c	Account	(see qualifier description)	A or D	34
M	16S			End of Block	FIAC	35
End of Subsequence B2 Financial Instrument/Account
M	16S			End of Block	REGDET	36
End of Sequence B Registration Details
-----> Optional Repetitive Sequence C Client Details
M	16R			Start of Block	CLTDET	37
Optional Subsequence C1 Address
M	16R			Start of Block	ADDRESS	38
M	17B	4!c	Flag	(see qualifier description)	:4!c//1!a	39
----->
O	22F	4!c	Indicator	(see qualifier description)	:4!c/[8c]/4!c	40
-----\|
----->
O	95a	4!c	Party	(see qualifier description)	P, R, S, or U	41
-----\|
----->
O	94a	4!c	Place	(see qualifier description)	C, D, or G	42
-----\|
----->
O	13B	4!c	Number Identification	(see qualifier description)	:4!c/[8c]/30x	43
-----\|
M	16S			End of Block	ADDRESS	44
End of Subsequence C1 Address
Optional Subsequence C2 Personal Details
M	16R			Start of Block	PERSDET	45
----->
O	22F	4!c	Indicator	(see qualifier description)	:4!c/[8c]/4!c	46
-----\|
O	95U	BIRT	Party	Name at Birth	:4!c//3*35x	47
----->
O	98a	4!c	Date/Time	(see qualifier description)	A or C	48
-----\|
----->
O	94C	4!c	Place	(see qualifier description)	:4!c//2!a	49
-----\|
O	70C	ADTX	Narrative	Additional Text	:4!c//4*35x	50
M	16S			End of Block	PERSDET	51
End of Subsequence C2 Personal Details
M	16S			End of Block	CLTDET	52
-----\| End of Sequence C Client Details
Optional Sequence D Corporate Action Details
M	16R			Start of Block	CADETL	53
----->
O	98a	4!c	Date/Time	(see qualifier description)	A or C	54
-----\|
O	35B			Identification of the Financial Instrument	[ISIN1!e12!c] [4*35x]	55
M	16S			End of Block	CADETL	56
End of Sequence D Corporate Action Details
Optional Sequence E Additional Information
M	16R			Start of Block	ADDINFO	57
----->
O	95a	4!c	Party	(see qualifier description)	P, Q, or R	58
-----\|
M	16S			End of Block	ADDINFO	59
End of Sequence E Additional Information

MT501 Network Validated Rules

C1 If the message is a cancellation, that is, Function of the Message (field 23G) is CANC, then field :20C::PREV must be present in one and only one occurrence of A1; consequently, in all other occurrences of A1, field :20C::PREV is not allowed.

Sequence A
if field :23G: is ...

Then field :20C::PREV is ...

CANC

Mandatory in one occurrence of subsequence A1, and not allowed in all other occurrences of subsequence A1

NEWM

Not applicable

Sequence A if field :23G: is ...	Then field :20C::PREV is ...
CANC	Mandatory in one occurrence of subsequence A1, and not allowed in all other occurrences of subsequence A1
NEWM	Not applicable

MT501 Usage Rules

When the message is used as a cancellation, the linkage sequence must contain the reference of the original confirmation.
The Identification of Financial Instrument in sequence B Registration Instruction Details identifies the financial instrument to be registered. The Identification of Financial Instrument in sequence D Corporate Action Details identifies subscription rights or exercise warrants from a corporate action.