Cal. Educ. Code § 17284.5

(a) Notwithstanding any provision of law to the contrary, any waiver granted by the State Allocation Board to a school district for use of a nonconforming existing private building acquired for conversion for use as a school building, that had not expired prior to January 1, 2000, is hereby extended until January 1, 2002, if the work to make the building a conforming structure commenced prior to January 1, 2001, but had not been completed by that date.