(a) The commissioners court of a county may require each member of the planning commission to file a financial disclosure report in the same manner as required for county officers under Subchapter B, Chapter 159.
(b) If the commissioners court requires a financial disclosure report but has not adopted a financial disclosure reporting system under Subchapter B, Chapter 159, the planning commission member shall file a financial disclosure report in the same manner as required for county officers under Subchapter A, Chapter 159.