15 U.S. Code § 1693k. Compulsory use of electronic fund transfers

No person may—
condition the extension of credit to a consumer on such consumer’s repayment by means of preauthorized electronic fund transfers; or
require a consumer to establish an account for receipt of electronic fund transfers with a particular financial institution as a condition of employment or receipt of a government benefit.
(Pub. L. 90–321, title IX, § 913, as added Pub. L. 95–630, title XX, § 2001, Nov. 10, 1978, 92 Stat. 3737.)