(a) A person is not eligible to serve as a director or general manager of the district if the person or the person's relative 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.
(b) A person applying to serve as general manager of the district shall disclose any potential violations of Subsection (a) before accepting the position of general manager.