; and (B) upon request, provide any Federal Government benefit in the form of e-cash. (2) Products and services Any person selling products or services that accepts physical currency as a form of payment shall also accept e-cash as a form of payment to the extent it is practically feasible and reasonable to do so. (f) Illicit flows (1) Presumption of legitimate use Under no condition shall the acquisition, possession, or use of e-cash devices, instruments, and balances under the parameters established by this Act be treated as prima facie or intrinsic evidence of criminal activity or intent, nor be established as a predicate offense or factor in crimes not specified in or under the authority established by this Act. (2) Including under the Bank Secrecy Act (A) In general Section 5312(a)(3) of title 31, United States Code, is amended— (i) in subparagraph (C), by striking and at the end; (ii) by redesignating subparagraph (D) as subparagraph (E); (iii) by inserting after subparagraph (C) the following: (D) e-cash, as defined under section 3 of the ECASH Act; and