US SB468

Requires federally licensed firearms importers, manufacturers, and dealers to secure inventory when premises are closed using either a ¼-inch hardened steel rod through the trigger guard (anchored and bolt-cutter protected) or storage in a locked fireproof safe, steel gun cabinet, or vault

Mandates paper business records and firearm transaction records be stored in a locked fireproof safe or vault when premises are not open for business

Authorizes the Attorney General to prescribe additional security requirements including alarm systems, security cameras, site hardening, and electronic record protection measures

Establishes graduated penalties: first violation results in $1,000-$10,000 civil penalty; second violation triggers license suspension until cured plus potential fine; third violation results in mandatory license revocation plus potential fine

Firearm storage requirements take effect 1 year after enactment; paper records storage requirements take effect 90 days after enactment