6. PETTY CASH VOUCHER (AND RECEIPT)-Form FA-7-P The principal's Petty Cash Fund (not to exceed $25) issued by the board of public instruction for use in purchasing office supplies is not to be considered a part of the Internal Fund. This Petty Cash Fund shall be kept separate and not commingled with the school's Internal Fund. Reimbursement of the princi- pal's Petty Cash Fund is handled on the imprest system in the manner prescribed by the county board. School administrators may establish petty cash funds from School Activity Funds; however, the practice of making petty cash disbursements should be kept to a minimum, and the total of all petty cash funds should not exceed $25. Reimbursement of this fund is to be made by check (supported by invoices, sales tickets, etc.) and charged to the appropriate internal fund ac- count. If it is essential to establish a petty cash fund, the following procedure should be followed: 1. Upon authority of an approved check requisition (Form FA-2-P), issue a check made payable to an individual and show the words "Petty Cash Fund" immediately follow- ing the person's name. 2. The check is then entered in the Distribution of Expendi- tures (Form FA-25-P) but instead of entering the amount under the "amount" columns, enter the amount under the "explanation" column. The reason for not posting this check under the "amount" column is to keep from over- stating expenditures. 3. Enter the check on a Form FA-10-P, Depository Ledger Form, captioned "Petty Cash." Under the "explanation" column show the individual's name, department and petty cash fund, and the amount under the column "paid out." 4. At the end of the school year, or before if no longer necessary, when the petty cash fund is returned, the office should issue Official Receipt (Form FA-3-P) to the indi-