(a) Each owner or operator of a best available retrofit technology (BART)-eligible source shall install and operate BART-required control equipment no later than five years after the United States Environmental Protection Agency has approved a Regional Haze State Implementation Plan for the State of Texas. Each owner or operator shall maintain the BART-required control equipment and establish procedures to ensure such equipment is properly and continuously operated and maintained.(b) Prior to any installation of BART-required control equipment, each owner or operator of a BART-eligible source shall comply with the requirements under Subchapter B of this chapter (relating to New Source Review Permits) or Subchapter F of this chapter (relating to Standard Permits) as applicable to authorize the construction or modification and to establish emission limitations of BART.