; and (B) the transferee is not known to be prohibited from possessing or receiving a grandfathered semiautomatic assault weapon. (3) For purposes of this subsection, the term transfer — (A) shall include a sale, gift, or loan; and (B) does not include temporary custody of the grandfathered semiautomatic assault weapon for purposes of examination or evaluation by a prospective transferee. (4) (A) Notwithstanding any other provision of this chapter, the Attorney General may implement this subsection with regulations. (B) Regulations promulgated under this paragraph— (i) shall include a provision setting a maximum fee that may be charged by licensees for services provided in accordance with paragraph (1)