By: Wilson, Bucy H.B. No. 511 A BILL TO BE ENTITLED AN ACT relating to the enforcement of commercial motor vehicle safety standards in certain counties. BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS: SECTION 1. Section 644.101, Transportation Code, is amended by amending Subsections (a) and (c) and adding Subsection (c-1) to read as follows: (a) The department shall establish procedures, including training, for the certification of municipal police officers, sheriffs, [and] deputy sheriffs, constables, and deputy constables to enforce this chapter. (c) A sheriff, [or a] deputy sheriff, constable, or deputy constable of any of the following counties [a county bordering the United Mexican States or of a county with a population of 700,000 or more] is eligible to apply for certification under this section: (1) a county bordering the United Mexican States; (2) a county with a population of 700,000 or more; (3) a county adjacent to a county with a population of 700,000 or more; (4) a county with a population of 400,000 or more that borders the county in which the State Capitol is located; (5) a county that has a population of more than 450,000 and borders a county with a population of more than 3.3 million; or (6) a county with a population of more than 500 and less than 1,000 all or part of which is located within 75 miles of the United Mexican States. (c-1) A sheriff, deputy sheriff, constable, or deputy constable of a county with a population of more than 450,000 that borders a county with a population of more than 3.3 million is eligible to apply for certification under this section. SECTION 2. Section 644.103(b), Transportation Code, is amended to read as follows: (b) A municipal police officer who is certified under Section 644.101 may stop, enter, or detain on a highway or at a port of entry within the territory of the municipality a motor vehicle that is subject to this chapter. A sheriff, [or] deputy sheriff, constable, or deputy constable who is certified under Section 644.101 may stop, enter, or detain on a highway or at a port of entry within the territory of the county a motor vehicle that is subject to this chapter. SECTION 3. This Act takes effect September 1, 2019.