The port commission shall adopt an expense policy that includes:
(1) spending guidelines for meals, lodging, and entertainment, including a process for handling and documenting exceptions to the guidelines if business needs require an exception;
(2) clear expense report protocols, including:
(A) the use of cash advances;
(B) the separation of reports from port commissioners and authority employees; and
(C) clear lines of accountability for the submission of reports; and
(3) a prohibition on the use of authority funds for a meal for a port commissioner or an authority employee that is not part of:
(A) approved travel for authority business;
(B) a ceremonial or business-related function with outside parties;
(C) an employee training program; or
(D) an event with the purpose of employee recognition, seasonal celebration, or building morale.