This Return of Purchase Order and Request for Advance Payment sample letter takes some of the difficulty of writing such a letter out of your hands.
Catalog services are bound to experience customers that don’t always read all of the directions.
If their payments didn’t quite cover the shipping costs of their purchase, you're really only left with one necessary recourse.
You will have no choice but to return their purchase order until you receive said payment.
A letter such as this sample, will be a must to send along with it.
Your purchase order has been referred to me. I note that the third item on the order is 50,000 of our Model 310 American Flags at a price of $13.10 each. While we appreciate an order of this size, the terms and conditions on page 233 of our catalog clearly specify that overseas orders are accepted with full payment in advance, and with an amount sufficient to cover shipping.
We are therefore returning your purchase order. Please resubmit your order with either a sight draft, or an irrevocable letter of credit. We anticipate shipping charges to be in the neighborhood of $1.00 U.S. per flag ordered.
Thank you for your order. We look forward to serving you in the near future.