(a) Upon receipt of the county warrant from each of the cooperating counties, the president and secretary of the joint commission shall cause said warrant to be deposited into the credit of an appropriate fund to be established by said joint commission in a bank which shall be one of the banks then or theretofore designated as a county depository by the board of supervisors of the county in which such bank is located and be disbursed by check or pay warrant over the signatures of the president and secretary for such purposes and only for such purposes as have been approved and allowed as provided in Section 41-27-25. The president and secretary of the joint commission shall be liable on their official bonds for the disbursement of funds as herein provided.

(b) All purchases and expenditures shall be made in accordance with the laws applicable to county purchases and expenditures.

(c) The president and secretary issuing checks or pay warrants shall withhold from wages and salaries paid to each employee each month the required federal income tax, social security tax, and state retirement contribution in accordance with the requirements of the county in which the respective employees reside.

(d) At the end of each month the commission making disbursements shall report and remit the respective amounts so withheld to the chancery clerk of the county in which each employee resides, for incorporation by said clerk in the reports required to be made by said clerk, as county auditor for said county. Said report shall be made in such form as required by the chancery clerk in each county.

(e) The books and all records of each county commission and the joint commission shall be made available and subject to such audits as the respective county auditors of the cooperating counties and the state auditor may deem proper and necessary.