(a)Purpose. This section establishes exceptions to the anti-tying restrictions of section 106 of the Bank Holding Company Act Amendments of 1970 (12 U.S.C. 1971 , 1972(1) ) . These exceptions are in addition to those in section 106. The section also restricts tying of electronic benefit transfer services by bank holding companies and their nonbank subsidiaries. (b)Exceptions to statute. Subject to the limitations of paragraph (c) of this section, a bank may: (1)Extension to affiliates of statutory