(a) In order to simplify and expedite fiscal affairs of school districts relating to the payment of miscellaneous items of expenditures incident to their operation, any school district is authorized to create a fund for each school within a district to be known as the “petty cash fund”.
(b) No payment shall be made from the petty cash fund until the supplies or materials have been delivered and a copy of the invoice or invoices filed with the approval of the school district board of directors.
(c)
(1) As funds in the petty cash fund become depleted, the financial secretary of the school district shall draw a warrant upon the county treasurer, or district treasurer if the school district has its own treasurer, payable out of the appropriate fund for reimbursement of expenditures made from the petty cash fund.
(2) The financial secretary of the school district shall attach to the office copy of the warrant the original invoice or receipt of payment therefor of all expenditures made from the petty cash fund during the previous month.
(d) The balance to the credit of the petty cash fund shall at no time exceed the sum of two hundred dollars ($200) for each school within a district.