Miss. Code Ann. § 27-105-327

The amount to be paid by any and all depositories for the privilege of keeping county funds on deposit, if required to be paid under the provisions of Section 27-105-303, shall be computed on the average daily balance of the public money kept on deposit therewith and there be credited and paid to the county monthly. Each depository shall render, at the beginning of each and every month, to the chancery clerk a statement in duplicate, showing the daily balance of the county money held by it during the month next preceding, and all sums paid to the county for the privilege of keeping said county money shall be credited to the account of the several funds entitled thereto.