Notices
Last Revised Date: 04 September 2026

Notice 643 Transactions with Related Parties

Requirements for banks when engaging in transactions with their related parties.
This notice applies to all banks. It sets out the definition, scope and general principle governing transactions with related parties, and the responsibilities of banks to maintain oversight and control over their related party transactions in order to mitigate the risk of abuse arising from conflicts of interest.

Amendment Notes

04 Sep 2026
MAS Notice 643 (Amendment) 2026 dated 04 Sep 2026 is issued.

01 Jul 2021
MAS Notice 643 dated 12 Dec 2019 takes effect.

12 Dec 2019
MAS Notice 643 dated 12 Dec 2019 is issued.