Texas Local Government Code - LOC GOV'T § 375.072. Participation in Voting

(a) A person who qualifies to serve on the board under Section 375.063 is qualified to serve as a director and participate in all votes pertaining to the business of the district regardless of any other statutory provision to the contrary.

(b) A director who has a beneficial interest in a business entity that will receive a pecuniary benefit from an action of the board may participate in discussion and vote on that action if a majority of the board has a similar interest in the same action or if all other similar business entities in the district will receive a similar pecuniary benefit.

(c) An employee of a public entity may serve on the board of directors of the district, but the public employee may not participate in the discussion of or vote on any matter regarding assessments on or contracts with the public entity of which the director is an employee.