1. (a) An application for a coordinated, individual, or special subvention shall be submitted to the executive officer on forms approved by the executive officer, in accordance with this subsection.

   1. (1) An application shall include a copy of the district's adopted budget.
   2. (2) Estimates of the subvention to which the district is entitled shall be based on population data, as of January 1 of the fiscal year preceding the subvention year, compiled by the Department of Finance in compliance with Section 2227 of the Revenue and Taxation Code.
   3. (3) The application must be received by the Air Resources Board or postmarked between May 1 of the preceding subvention year and September 30.
   4. (4) A district may revise or amend its application at any time prior to June 30 of the subvention year.
   5. (5) A district submitting an application for a coordinated or a special subvention shall, when such a district is in an air basin comprising two or more districts, submit a copy of its application to the control council.

2. (b) An application for a supplemental subvention shall be submitted to the executive officer on forms approved by the executive officer and shall contain the following information:

   1. (1) The proposed expenditures related to the supplemental subvention;
   2. (2) A detailed explanation of the purpose of the requested supplemental subvention, and the benefits which are expected to result; and
   3. (3) The length of time required to complete the work proposed, and the total cost of the project.

Note: Authority cited: Sections 39600, 39601 and 39801, Health and Safety Code. Reference: Sections 39515, 39801-39804, 39806 and 39810, Health and Safety Code.