By: Murr, Cook, et al. H.B. No. 178       A BILL TO BE ENTITLED   AN ACT   relating to testing possible controlled substance evidence for a   controlled substance included in Penalty Group 1-B.          BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS:          SECTION 1.  Chapter 38, Code of Criminal Procedure, is   amended by adding Article 38.51 to read as follows:          Art. 38.51.  EVIDENCE TESTING FOR CONTROLLED SUBSTANCES. If   evidence that may be a controlled substance is submitted to a   laboratory for testing and it is reasonably possible that the   substance is or contains a controlled substance included in Penalty   Group 1-B under Section 481.1022, Health and Safety Code, a test   must be performed following validated laboratory procedures and   sampling protocols to determine whether the substance is or   contains a controlled substance included in Penalty Group 1-B.          SECTION 2.  The change in law made by this Act applies only   to evidence submitted for testing on or after the effective date of   this Act.          SECTION 3.  This Act takes effect September 1, 2023.