Prior to the referendum vote conducted by the secretary pursuant to Section 68092, the proponents of the commission shall deposit with the secretary the amount the secretary may deem necessary to defray the expenses of preparing the necessary lists and information and conducting the vote.

Any unused funds in carrying out Section 68092 shall be returned to the proponents of the commission who deposited the funds with the secretary.

Upon establishment of the commission, the commission may reimburse the proponents of the commission for any funds deposited with the secretary that were used in carrying out Section 68092, and for any legal expenses and costs incurred in establishing the commission.