(a) A member of the governing body of another political subdivision is disqualified from serving as a director.
(b) A director is disqualified from serving as a director if:
(1) the director is appointed or elected as a member of the governing body of another political subdivision; or
(2) the board determines a relationship or employment exists that constitutes a disqualification under Section 49.052(a), Water Code.
(c) A person is disqualified from serving as a director if the person or a relative of the person within the third degree by consanguinity or affinity, as determined by Chapter 573, Government Code:
(1) received 10 percent or more of gross income for the previous year from a business entity or other organization, other than a governmental entity, that receives money from the district;
(2) is employed by or participates in the management of a business entity or other organization, other than a governmental entity, that receives money from the district;
(3) directly or indirectly owns or controls more than a 10 percent interest in the fair market value of a business or other organization that receives money from the district;
(4) serves as a corporate officer or member of the board of directors of a business entity or other organization that receives money from the district;
(5) is a creditor, debtor, or guarantor in an amount of $5,000 or more of a person or business entity that receives money from the district;
(6) uses or receives a substantial amount of tangible goods, services, or money from the district other than compensation or reimbursement authorized by law; or
(7) is required to register as a lobbyist under Chapter 305, Government Code, because of the person's activities for compensation on behalf of a profession related to the operation of the district.