(1) Every authorized agent, on or before the fifteenth day of each calendar month, shall transmit to the department all fees and money collected by the agent under articles 1 to 4 (except part 3 of article 2) of this title 42 during the preceding calendar month, except such sums as are specifically authorized to be retained by the authorized agent.
(2) The authorized agents shall deposit all money received in the administration of any motor vehicle license law with the county treasurers of their respective counties and take a receipt. The authorized agent shall deposit the money in a separate fund administered by the county treasurers, and the authorized agents are not liable for the safekeeping of the funds after depositing them. The county treasurers shall accept all money tendered to them by the authorized agents for deposit as provided in this section.
(3) On or before the fifteenth day of each calendar month, the county treasurer shall send the money collected for the department by the authorized agent to the department by:
(a) An electronic funds transfer covering the funds that have been deposited with the county treasurer during the previous month; or
(b) A warrant drawn on the county treasurer of their county, payable to the department on demand, covering the amount of the funds that may have been deposited with the county treasurer during the previous month, and the county treasurer shall pay the warrant on demand and presentation.