; (2) the use of functional locked metal cabinets and fireproof safes; (3) functional security systems, video monitoring, and anti-theft alarms; (4) functional security gates, strong locks, and site hardening; and (5) functional concrete bollards and other access controls, if necessary. . (2) Transition rule The regulations prescribed under section 926(d)(1) of title 18, United States Code, shall not apply to a person who, on the date of enactment of this Act, is a licensed dealer, as defined in section 921(a)(11) of title 18, United States Code, until the earlier of— (A) the date the person complies with subsection (b)(2) of this section; or (B) the end of the 1-year period that begins with the date regulations are prescribed under section 926(d) of title 18, United States Code. (b) Security plan submission requirement and other requirements (1) In general Section 923(d)(1) of title 18, United States Code, is amended by striking subparagraph (G) and inserting the following: (G) in the case of an application to be licensed as a dealer, the applicant certifies that— (i) the applicant has a permanent place of business; (ii) the applicant only hires individuals 21 years of age or older as employees; (iii) the applicant will not allow any employee to handle firearms until the employee has successfully undergone a background check in accordance with section 923(g)(10)