Provides that person subject to certain court protective orders is prohibited from possessing firearms if person had opportunity to be heard on order and did not request hearing or withdrew request before hearing occurred. Punishes violation of prohibition by maximum of 364 days' imprisonment, $6,250 fine, or both. Requires court to order relinquishment of firearms when person is convicted of certain domestic violence offenses or subject to certain court orders. Requires person to transfer firearms within 24 hours of court order. Requires court to notify district attorney and Department of State Police if person does not file affidavit or declaration concerning possession of firearms. Requires law enforcement agency that takes custody of firearms pursuant to relinquishment order to notify Department of Justice and perform criminal background check prior to law enforcement agency's return of firearms. Declares emergency, effective on passage.