This subpart, which implements section 36(g)(4) of the Federal Deposit Insurance Act (FDI Act) (12 U.S.C. 1831m(g)(4)), provides rules and procedures for the removal, suspension, or debarment of independent public accountants and their accounting firms from performing independent audit and attestation services required by section 36 of the FDI Act (12 U.S.C. 1831m) for insured national banks and Federal branches and agencies of foreign banks.