(a) In a contract under § 504.851, the department may not:
(1) unreasonably disapprove or limit any aspect of a private vendor’s marketing and sales plan;
(2) unreasonably interfere with the selection, assignment, or management by the private vendor of the private vendor’s employees, agents, or subcontractors; or
(3) require a private vendor to market and sell souvenir license plates, specialty license plates, or souvenir or specialty license plates personalized under § 504.102.
(b) If a private vendor contracts to market and sell souvenir license plates, specialty license plates, or souvenir or specialty license plates personalized under § 504.102, the initial term of the contract shall be for at least five years from the effective date of the contract. The contract may provide, with the agreement of the department and the private vendor, a second term at least equal in length to the initial term of the contract.

(c) Notwithstanding Subsection (b), a private vendor may not market and sell souvenir license plates, specialty license plates, or souvenir or specialty license plates personalized under § 504.102 that compete directly for sales with another specialty license plate issued under this chapter unless the department and the sponsoring agency or organization of the other license plate approve.