(a) The Railroad Commission shall send by certified mail to the Secretary of Interior of the United States a copy of each proposed rule or regulation affecting mineral rights reserved in deeds conveying land in the Padre Island National Seashore to the United States.
(b) The Department of Interior has 30 days from the day a copy of a proposed rule or regulation is received to send to the Railroad Commission its objections or exceptions. An objection or exception must be sent by certified mail. Thereupon, a rule or regulation, with amendments, if any, promulgated by the Railroad Commission, takes effect.

(c) The development and recovery of minerals in the Padre Island National Seashore shall be carried out in a manner that does not unreasonably interfere with the use of the land for park purposes.