85R2421 LHC-D By: Burton S.B. No. 450 A BILL TO BE ENTITLED AN ACT relating to the enforcement of certain federal laws regulating firearms, firearm accessories, and firearm ammunition. BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS: SECTION 1. Chapter 1, Penal Code, is amended by adding Section 1.10 to read as follows: Sec. 1.10. ENFORCEMENT OF CERTAIN FEDERAL LAWS REGULATING FIREARMS, FIREARM ACCESSORIES, AND FIREARM AMMUNITION. (a) In this section: (1) "Firearm" has the meaning assigned by Section 46.01. (2) "Firearm accessory" means an item that is used in conjunction with or mounted on a firearm but is not essential to the basic function of a firearm. The term includes a detachable firearm magazine. (b) Except as provided by Subsection (c), an agency of this state or a political subdivision of this state, and a law enforcement officer or other person employed by an agency of this state or a political subdivision of this state, may not contract with or in any other manner provide assistance to a federal agency or official with respect to the enforcement of a federal statute, order, rule, or regulation purporting to regulate a firearm, a firearm accessory, or firearm ammunition if the statute, order, rule, or regulation imposes a prohibition, restriction, or other regulation, such as a capacity or size limitation or a registration requirement, that does not exist under the laws of this state. (c) This section does not prohibit compliance with the national instant criminal background check system in the manner required by 18 U.S.C. Section 922. SECTION 2. This Act takes effect immediately if it receives a vote of two-thirds of all the members elected to each house, as provided by Section 39, Article III, Texas Constitution. If this Act does not receive the vote necessary for immediate effect, this Act takes effect September 1, 2017.