Ed. Code, § 15783

Whenever, subsequent to the date on which a conditional apportionment is made by the board to an applicant district, but prior to the date on which the conditional apportionment becomes final, (1) if an applicant district is annexed to or otherwise included in whole in a district which is not eligible for an apportionment under this chapter, the conditional apportionment shall, notwithstanding any other provisions of this chapter, become void and the board shall promptly notify the Controller in writing thereof and the date on which the apportionment became void; (2) if the district to which an applicant district is annexed or in which it is otherwise included in whole is eligible for an apportionment, has made or does make an application for an apportionment under this chapter, the conditional apportionment made to the applicant district shall, notwithstanding any other provisions of this chapter, become void but the board may reconsider the application of the acquiring district and make determinations and take action with respect thereto, including the making, subject to the provisions of Article 1 (commencing with Section 15700) of this chapter except as hereinafter provided, of additional conditional apportionments to the acquiring district, as the board may deem necessary as a result of the annexation or other inclusion in the acquiring district of the applicant district; (3) if less than the whole of an applicant district is included in another district, the conditional apportionment shall, notwithstanding any other provisions of this chapter become void, but the board may reconsider the application and make such determinations and take such actions with respect thereto, including the making, subject to the provisions of Article 1 (commencing with Section 15700) of this chapter except as hereinafter provided, of new conditional apportionments to the applicant district, as the board may deem necessary as a result of such inclusion of a portion of the applicant district in the acquiring district.

Notwithstanding anything in the first sentence of Section 15721 to the contrary, additional conditional apportionments made to a district under (2), or new conditional apportionments made to a district under (3) of the first paragraph of this section may, with the approval of the board, become final if the total amount of the bonds of the district outstanding and unpaid is within ten thousand dollars ($10,000) of the amount required under Section 15721.