(a) A port commissioner or an authority employee should not:
(1) accept or solicit any gift, favor, or service that might reasonably tend to influence the port commissioner or employee in the discharge of official duties or that the port commissioner or employee knows or should know is being offered with the intent to influence the port commissioner’s or employee’s official conduct;
(2) accept other employment or engage in a business or professional activity that the port commissioner or employee might reasonably expect would require or induce the port commissioner or employee to disclose confidential information acquired by reason of the official position;
(3) accept other employment or compensation that could reasonably be expected to impair the port commissioner’s or employee’s independence of judgment in the performance of the port commissioner’s or employee’s official duties;
(4) make personal investments that could reasonably be expected to create a substantial conflict between the port commissioner’s or employee’s private interest and the public interest; or
(5) intentionally or knowingly solicit, accept, or agree to accept any benefit for having exercised the port commissioner’s or employee’s official powers or performed the port commissioner’s or employee’s official duties in favor of another.
(b) The port commission shall adopt a written ethics policy for the port commissioners and authority employees consistent with the standards prescribed by Subsection (a).