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ExternalMandateReason1Code

SL11 Reason Code: Creditor Not On Whitelist Of Debtor

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SL11 means creditor not on whitelist of debtor in the ISO 20022 mandate reason code set. Whitelisting service offered by the Debtor Agent; Debtor has not included the Creditor on its “Whitelist” (yet). In the Whitelist the Debtor may list all allowed Creditors to debit Debtor bank account.

Code
SL11
ISO name
CreditorNotOnWhitelistOfDebtor
Status
Registered
Last updated
2016-04-01

Official definition

Whitelisting service offered by the Debtor Agent; Debtor has not included the Creditor on its “Whitelist” (yet). In the Whitelist the Debtor may list all allowed Creditors to debit Debtor bank account.

Definition from the ISO 20022 External Code Sets, 2Q2026 (published 28 Aug 2026).

Messages and fields that use ExternalMandateReason1Code

MessageElement path
pain.010UndrlygAmdmntDtls/AmdmntRsn/Rsn/Cd
pain.011UndrlygCxlDtls/CxlRsn/Rsn/Cd
pain.012UndrlygAccptncDtls/AccptncRslt/RjctRsn/Cd

SL11 in other code sets

SL11 questions

What does SL11 mean in ISO 20022?
SL11 is Creditor Not On Whitelist Of Debtor in the ExternalMandateReason1Code code set: Whitelisting service offered by the Debtor Agent; Debtor has not included the Creditor on its “Whitelist” (yet). In the Whitelist the Debtor may list all allowed Creditors to debit Debtor bank account.
Where does SL11 appear in a message?
For example in pain.010, element UndrlygAmdmntDtls/AmdmntRsn/Rsn/Cd.

All ExternalMandateReason1Code codes · ISO 20022 code sets

The ISO 20022 code names and definitions on this page are reproduced from material published at iso20022.org under the ISO 20022 Intellectual Property Rights policy. This is not the official source: the up-to-date ISO 20022 standards and repository material are published only at iso20022.org. Explanations in our own words are by ZagTrader. ZagTrader is not affiliated with or endorsed by ISO or Swift.