For the purpose of facilitating the equalization or apportionment of the amount of the balances on deposit with the several depositories and the speedy transfer of money from one depository to another in case of necessity, the county treasurer is hereby authorized to draw checks or drafts against any deposit made by him under the terms of this Division. Each draft or check so drawn shall be payable to the order of the county treasurer, and shall indicate upon its face that it is drawn only for deposit in a bank, savings and loan association, savings bank, or credit union authorized under the provisions of this Division to receive county moneys.