California Code, Education Code - EDC § 35561

Any funds derived from the sale of the school bonds issued by the original district shall be used for the acquisition, construction, or improvement of school property only in the territory that comprised the original district or to discharge bonded indebtedness of the original district, except that, if the bonded indebtedness is assumed by the new or acquiring district, the funds may be used in any area of the new district for the purposes for which the bonds were originally voted.