Section 83 - County social services funds1. The county treasurer shall be the treasurer of the county social services district.2. Except as hereinafter provided, disbursements for administration and public assistance and care from county social services funds shall be made only on warrants drawn by the county commissioner for the payment of bills and claims, in accordance with the provisions of law relating to such county and after audit by such county commissioner, except that in counties having a county comptroller or a county auditor such claims shall be audited by the county comptroller or county auditor after approval by the county commissioner.3. Payments for board and incidental expenses of children cared for in boarding homes or in the homes of relatives or in institutions maintained by an authorized agency provided under title two of article six or on order of the family court of the county, may be made upon schedules showing the names of the persons or institutions with whom such children are boarded, the names of children boarded with each of them, the monthly rate of board to be paid for each such child, the period covered by each such schedule, the amount due for the board of each child during such period, an itemized account of the amount allowed for incidentals, if any, in the case of each child, and the total amount due to each such person or institution, verified by the commissioner and audited as hereinbefore provided and without the presentation of verified bills or claims by such persons or institutions.