California Code, Government Code - GOV § 56862

(a) If a district files a resolution of intention to file an alternative proposal pursuant to paragraph (2) of subdivision (b) of Section 56861, the executive officer shall take no further action on the original proposal to form a subsidiary district for a period of 70 days.  During this period, the district which has filed a resolution of intention shall prepare and submit a completed application for the alternative proposal in a form similar to the original proposal, as prescribed by the commission.

(b) A district which has filed a resolution of intention to file an alternative proposal but which does not file a completed application within the prescribed time period, shall be deemed to have consented to the original proposal to form a subsidiary district.

(c) After receiving an alternative proposal, the executive officer shall analyze and report on both the original proposal and the alternative proposal concurrently and set both for hearing by the commission in order that both proposals may be considered simultaneously at a single hearing.

(d) “Alternative proposal,” as used in this section, means an alternative proposal to a subsidiary district proposal as provided for in Section 56861.