(a) Any surplus remaining in a primary fund shall be remitted to the secretary of state immediately after the final payment from the fund of the necessary expenses for holding the primary elections for that year upon request of the secretary of state. The surplus in a primary fund shall be remitted regardless of whether state funds were requested by the chair.
(b) Any surplus primary funds received by the secretary of state under this section shall be deposited in the state treasury and may be used only for the financing of primary elections.