(a) Requirements--each commission vehicle shall be assigned to the commission motor pool and shall be available for checkout, except as provided in subsection (b) of this section.(b) Exceptions--vehicles that meet the criteria in paragraphs (1) and (2) of this subsection are excepted from subsection (a) of this section:(1) a vehicle assigned to a field employee; or(2) a vehicle assigned to an individual administrative or executive employee on a regular or everyday basis if the executive director makes a written documented finding that the assignment is critical to the needs and mission of the commission.(c) The executive director shall adopt an operating policy that is consistent with the Management Plan developed in accordance with Texas Government Code, §2171.104.