The Hong Kong Monetary Authority (HKMA) announced three new regulatory measures for investment accounts held by mainland investors, including retrospective verification of account openings up to January 2023.

CoinFeed reported on May 27 that, according to CLS, in response to the requirement that "some banks in Hong Kong require applicants to sign a declaration when opening investment accounts," the Hong Kong Monetary Authority (HKMA) told CLS reporters today that the relevant regulatory requirement was issued to all authorized institutions on May 22.