Procedure: If it is necessary to make advance payment for items follow these steps:

  1. Be sure of the accurate and complete description of the item required, its price, catalog number and the exact name and address of the supplier.
  2. Prepare a purchase requisition as usual.
  3. Insert below the item description the phrase "Prepayment-Check with Order".
  4. Attach to the purchase requisition any supporting evidence such as advertisements, invoice, letter from the vendor, vendor quotation and such for price verification.