(a) An authority may:
(1) plan, acquire, establish, develop, construct, improve, maintain, operate, regulate, protect, and police the regional economic development facility portion of a station or terminal complex; or
(2) agree with any person for the execution, in whole or part, of the activities described by Subdivision (1).
(b) An agreement made under Subsection (a)(2) is not effective unless the governing body of the principal municipality in the authority approves the agreement.