Texas Transportation Code - TRANSP § 548.301. Commission to Establish Program

(a) The commission shall establish a motor vehicle emissions inspection and maintenance program for vehicles as required by any law of the United States or the state's air quality state implementation plan.

(b) The commission by rule may establish a motor vehicle emissions inspection and maintenance program for vehicles specified by the conservation commission in a county for which the conservation commission has adopted a resolution requesting the commission to establish such a program and for which the county and the municipality with the largest population in the county by resolution have formally requested a proactive air quality plan consisting of such a program.

(b-1) The commission by rule may establish a motor vehicle emissions inspection and maintenance program for vehicles subject to an early action compact as defined by Section 382.301, Health and Safety Code, that is consistent with the early action compact.

(c) A program established under this section must include registration and reregistration-based enforcement.

(d) A vehicle emissions inspection under this section may be performed by the same facility that performs a safety inspection if the facility is authorized and certified by the department to perform the vehicle emissions inspection and certified by the department to perform the safety inspection.