; (ii) the participant shall attest to his or her receipt of the course materials; (iii) if the participant is not a licensed manufacture, licensed importer, or licensed dealer, the participant has submitted to the national instant criminal background check system established under section 103 of the Brady Handgun Violence Prevention Act sufficient information to enable the system to determine whether the participant is prohibited by subsection (g) or (n) of section 922 of this title or State, local, or Tribal law from receiving a firearm or if the licensee would be prohibited by section 922(d) of this title from transferring a firearm to the participant; and (iv) if the system has determined that the participant is not so prohibited, the Attorney General shall immediately issue to the participant, through United States mail or electronic means, a certificate which indicates successful completion of the training course and includes a unique certification number, both of which shall expire 2 years after issuance unless renewed. (F) The Attorney General shall— (i) create and maintain a database which identifies each individual to whom such a certificate is issued, the date the certificate is issued, the date the certificate expires, and the unique certification number on the certificate; (ii) make readily available to persons licensed under this chapter and Federal, State, and local law enforcement authorities, on request, the certification status of current or potential employees; and (iii) on a monthly basis, provide to the Bureau of Alcohol, Tobacco, Firearms, and Explosives a complete list of the certificates issued under subparagraph (E) that have expired or been renewed since the most recent prior provision of information, if any, to the system under this clause. (G) Each licensee referred to in subparagraph (A) shall keep— (i) a copy of any certificate issued to the licensee under subparagraph (E)