; and (B) a person that primarily engages in the business of providing hardware or software to facilitate the custody or safekeeping by a customer of the payment stablecoins of that customer. (j) Treatment under the Bank Secrecy Act (1) In general A payment stablecoin issuer or a person providing contracted services under subsection (i) shall be treated as a financial institution for purposes of the Bank Secrecy Act. (2) Exception This subsection shall not apply to any person that primarily engages in the business of providing hardware or software to facilitate the custody or safekeeping by a customer of the payment stablecoins of that customer. (k) Collateral availability (1) In general The Board, in consultation with the Comptroller, State bank supervisors, the Securities and Exchange Commission, and the Commodity Futures Trading Commission, shall monitor the use of assets authorized as payment stablecoin reserves under sections 6(f) and 7(e), including United States Treasury bills, bonds, and notes, and the impact of the use of such assets on collateral availability and the efficient functioning of the capital markets. (2) Rule of construction Nothing in this subsection shall be construed as giving the Board supervisory or regulatory authority not otherwise granted under this Act. 5. Holding company supervision, affiliates, mergers, and acquisitions of payment stablecoin issuers (a) Holding companies and insured depository institutions (1) In general A bank holding company or insured depository institution that has chartered a depository institution as a payment stablecoin issuer under section 7 shall be considered a bank for purposes of the Bank Holding Company Act of 1956 ( 12 U.S.C. 1841 et seq. ). (2) Exception Paragraph (1) shall not apply to an insured depository institution that is a savings association for the purposes of section 10(a) of the Home Owners’ Loan Act ( 12 U.S.C. 1467a(a) ). (b) Holding company supervision for other depository institutions (1) Requirements A person with a controlling