(a) Notwithstanding Section 3216, any unanticipated revenues, other than any allocation from the state, that are in excess of the approved budget for any fiscal or calendar year of any California fair shall be retained by that fair.
(b) These funds may be expended, without regard to any fiscal year, by any fair to which Section 3216 applies, upon approval by the board of directors of that fair, which shall be recorded in the official minutes of the fair approving a plan of expenditure.