; or (B) the end of the 1-year period that begins with the date regulations are prescribed under section 926(d) of such title. (b) Security plan submission requirement (1) In general Section 923(d)(1)(G) of such title is amended by inserting the applicant submits with the application a security plan that describes how the applicant will secure, in accordance with the regulations issued under section 926(d), the premises from which the applicant will conduct business under the license (including in the event of a natural disaster or other emergency), and the applicant certifies that, if issued such a license, the applicant will comply with the plan before the period. (2) Transition rule A person who, on the date of the enactment of this Act, is a licensed dealer (as defined in section 921(a)(11) of title 18, United States Code) and whose license to deal in firearms, issued under chapter 44 of such title, will not expire before the end of the 1-year period that begins with the date regulations are prescribed under section 926(d) of such title, shall submit to the Attorney General a plan of the type described in section 923(d)(1)(G) of such title not later than the end of that 1-year period. Any plan so submitted shall be considered to be submitted pursuant to such section 923(d)(1)(G), for purposes of such sections 923(g)(6)(B) and 926(d). (c) Annual security plan compliance certification requirement (1) In general Section 923 of title 18, United States Code, is amended by adding at the end the following: (m) (1) Each licensed dealer shall annually certify to the Attorney General that each premises from which the licensed dealer conducts business subject to license under this chapter is in compliance with the regulations prescribed under section 926(d), and include with the certification the results of a reconciliation of the firearms inventory of the licensed dealer with the firearms inventory at the time of the most recent prior certification (if any) under this paragraph, including a report of any missing