; (bb) process transactions on behalf of any person who accepts credit cards for payments; and (cc) complete financial settlement of any transaction on behalf of a person who accepts credit cards for payments. ; and (2) in subsection (d)(1), by inserting , except that the Bureau shall not have authority to enforce the requirements of this section or any regulations prescribed by the Board under this section after section 918 . (b) Effective date Each set of regulations prescribed by the Board of Governors of the Federal Reserve System under paragraph (2) of section 921(b) of the Electronic Fund Transfer Act ( 15 U.S.C. 1693o–2(b) ), as amended by subsection (a) of this section, shall take effect on the date that is 180 days after the date on which the Board prescribes the final version of that set of regulations.