The governing board shall do all of the following:
(a) Adopt an annual budget following the public hearing required under Section 35136, hire an independent staff of its own, and fix the compensation of its officers and employees.
(b) Adopt an administrative code, by ordinance, which prescribes the powers and duties of the authority officers, the method of appointment of the authority’s employees, and methods, procedures, and systems of operation and management of the authority.
(c) Cause a postaudit of the financial transactions and records of the authority to be made at least annually by a certified public accountant.
(d) Do any and all things necessary to carry out the purposes of this division.