All determinations made by the board under Article 3 (commencing with Section 40071) or Article 4 (commencing with Section 40081) are due and payable at the time they become final. If they are not paid when due and payable, a penalty of 10 percent of the amount of the determination, exclusive of interest and penalties, shall be added thereto.
(Amended by Stats. 1993, Ch. 589, Sec. 163. Effective January 1, 1994.)