; or (B) store the firearm at the premises in a locked fireproof safe, locked gun cabinet (and if the locked gun cabinet is not steel, the firearms within the cabinet must be secured with a hardened steel rod 1/4 inch thick, protected or shielded from the use of a bolt cutter and anchored to prevent the removal of the firearms from the premises) or locked vault. (2) When the premises are not open for business, the licensee shall store all paper records of the business inventory and firearm transactions of, and other dispositions of firearms by, the licensee at the premises in a secure location such as a locked fireproof safe or locked vault. (3) The Attorney General shall, by regulation, prescribe such additional security requirements as the Attorney General deems appropriate with respect to the firearms business conducted by a licensed importer, licensed manufacturer, or licensed dealer, such as requirements relating to the use of the following: (A) Alarm and security camera systems. (B) Site hardening. (C) Other measures necessary to reduce the risk of theft at the business premises of a licensee. . (b) Penalties Section 924 of such title is amended by adding at the end the following: (q) Penalties for noncompliance with firearms licensee security requirements (1) In general (A) Penalty With respect to a violation by a licensee of section 923(m) or a regulation issued under such section, the Attorney General, after notice and opportunity for hearing— (i) in the case of the 1st such violation or related series of such violations on the same date, shall subject the licensee to a civil penalty in an amount equal to not less than $1,000 and not more than $10,000; (ii) in the case of the 2nd such violation, shall subject the licensee to a license suspension until the licensee cures the violation and may subject the licensee to a civil penalty in an amount provided in clause (i)