View the list of Sample Business Letters Request for Information in Advance of Purchase Order Disclaimer: Be aware that some of these sample letters have legal, financial, or other implications. If you are not sure about the use of any letter, consult with an appropriate professional first. Request for Information in Advance of Purchase Order Dear Attached to this letter is an overview of those items and services which we anticipate ordering from your firm, providing your terms and conditions are favorable, and your prices competitive. Since this is only an informed guess as to our needs, it should not be considered as anything more than a rough idea of our requirements. Please provide to us, in writing, a price list, along with your terms and conditions of sale, applicable discounts, shipping dates and additional sales and corporate policies. Should the information you provide be acceptable and competitive, you can look forward to our first order within thrity (30) days. Thank you for you cooperation. We have also enclosed our procurement specifications and conditions for your review.