|  | 
         
            |  | 
         
            |  | A BILL TO BE ENTITLED | 
         
            |  | AN ACT | 
         
            |  | relating to the prosecution of certain conduct involving prohibited | 
         
            |  | weapons; creating a criminal offense. | 
         
            |  | BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS: | 
         
            |  | SECTION 1.  Section 46.01, Penal Code, is amended by adding | 
         
            |  | Subdivision (20) to read as follows: | 
         
            |  | (20)  "Three-dimensional printer" means a device | 
         
            |  | capable of producing a three-dimensional object from a digital | 
         
            |  | model. | 
         
            |  | SECTION 2.  Section 46.05, Penal Code, is amended by | 
         
            |  | amending Subsection (a) and adding Subsection (a-1) to read as | 
         
            |  | follows: | 
         
            |  | (a)  A person commits an offense if the person intentionally | 
         
            |  | or knowingly possesses, manufactures, transports, repairs, or | 
         
            |  | sells: | 
         
            |  | (1)  any of the following items, unless the item is | 
         
            |  | registered in the National Firearms Registration and Transfer | 
         
            |  | Record maintained by the Bureau of Alcohol, Tobacco, Firearms and | 
         
            |  | Explosives or otherwise not subject to that registration | 
         
            |  | requirement or unless the item is classified as a curio or relic by | 
         
            |  | the United States Department of Justice: | 
         
            |  | (A)  an explosive weapon; | 
         
            |  | (B)  a machine gun; or | 
         
            |  | (C)  a short-barrel firearm; | 
         
            |  | (2)  armor-piercing ammunition; | 
         
            |  | (3)  a chemical dispensing device; | 
         
            |  | (4)  a zip gun; | 
         
            |  | (5)  a tire deflation device; | 
         
            |  | (6)  a firearm silencer, unless the firearm silencer is | 
         
            |  | classified as a curio or relic by the United States Department of | 
         
            |  | Justice or the actor otherwise possesses, manufactures, | 
         
            |  | transports, repairs, or sells the firearm silencer in compliance | 
         
            |  | with federal law; [ or] | 
         
            |  | (7)  an improvised explosive device; or | 
         
            |  | (8)  a firearm containing a component part manufactured | 
         
            |  | using a three-dimensional printer. | 
         
            |  | (a-1)  A person commits an offense if the person | 
         
            |  | intentionally or knowingly: | 
         
            |  | (1)  manufactures a component part for a firearm using | 
         
            |  | a three-dimensional printer; or | 
         
            |  | (2)  possesses, transports, repairs, or sells a | 
         
            |  | component part described by Subdivision (1). | 
         
            |  | SECTION 3.  The change in law made by this Act applies only | 
         
            |  | to an offense committed on or after the effective date of this Act. | 
         
            |  | An offense committed before the effective date of this Act is | 
         
            |  | governed by the law in effect on the date the offense was committed, | 
         
            |  | and the former law is continued in effect for that purpose.  For | 
         
            |  | purposes of this section, an offense was committed before the | 
         
            |  | effective date of this Act if any element of the offense occurred | 
         
            |  | before that date. | 
         
            |  | SECTION 4.  This Act takes effect September 1, 2021. |