California Code
CHAPTER 7 - Permits and Fees
Section 18870.10.

18870.10. All permits as required by this chapter for construction or reconstruction shall automatically expire within six months from the date of issuance thereof in those cases where the construction or reconstruction has not been completed within that period. However, the enforcement agency may extend the expiration date of the permit for a reasonable time.

(Added by Stats. 2001, Ch. 434, Sec. 39. Effective January 1, 2002. Operative January 1, 2004, by Sec. 44 of Ch. 434, as amended by Stats. 2002, Ch. 1038.)