§ 84. County commissioner's revolving fund. A board of supervisors may authorize the county treasurer to furnish the county commissioner with an emergency revolving fund. Moneys from this fund shall be used only where it would be a hardship on the applicant or recipient to wait for the issuance of a grant in accordance with regularly established disbursement procedures. Reimbursement of expenditures from this fund shall be made at least monthly upon the presentation of itemized statements or vouchers chargeable to the appropriate programs of assistance in accordance with established procedures.