(a) A person making application to the commission for a disposal well permit under this chapter shall submit with the application a letter from the railroad commission concluding that drilling or using the disposal well and injecting industrial and municipal waste into the subsurface stratum will not endanger or injure any known oil or gas reservoir.
(b) In a hearing on an application for a disposal well permit under this chapter, the commission may not proceed to hearing on any issues other than preliminary matters such as notice until the letter required from the railroad commission under Subsection (a) of this section is provided to the commission.
(c) The commission shall find that there will be no impairment of oil or gas mineral rights if the railroad commission has issued a letter under Subsection (a) that concludes that drilling and using the disposal well will not endanger or injure any known oil or gas reservoir.