The area of any building which has not been constructed or reconstructed under the provisions of Sections 17280 to 17313, inclusive, shall not be included in any computation of the area of adequate school construction under this chapter, provided that such area is being used exclusively for adult education classes during the regular schoolday and that the operation of such classes has been approved by the State Department of Education.

(Repealed and added by Stats. 1996, Ch. 277, Sec. 2. Effective January 1, 1997. Operative January 1, 1998.)