as a proposed transfer of the firearm from the licensed dealer to the applicant, for purposes of section 922(t) of this title and section 103 of the Brady Handgun Violence Prevention Act, except that the Firearms Transaction Record involved shall indicate that what is being transferred is a serial number and not a firearm. (2) Issuance of serial number A licensed dealer may issue to an applicant a unique serial number and identifying mark for a firearm pursuant to such a request if, applying paragraph (1) of this subsection to the request, section 922(t) or other law would not prohibit the licensed dealer from transferring the firearm to the applicant. (3) Fee authority A licensed dealer may charge an applicant a fee for each serial number and identifying mark assigned and issued under this section, in an amount that is not more than the actual costs associated with assigning and issuing the serial number and identifying mark, and a fee for contacting the national instant criminal background check system with respect to the applicant. (c) Prohibitions