What do you need to include in your donation acknowledgment letter? The County Board of Supervisors accepts donations and gifts offered to the County for the use, benefit and advantage of the citizens of San Bernardino County.This step-by-step guide will help you fill out the donation tax receipt and get things in order for tax season. It may not be possible to deliver a certificate for a donation received anonymously or without a return address. The certificate will serve as a receipt. " For Diocesan Offices: "This is not an acknowledgement letter for tax purposes as your gift has been. IRS Publication 4303 (8-2004) A DONOR'S GUIDE TO CAR DONATIONS Before you give your car to a charitable organization: check out the charity And appropriate acknowledgment forms shall be kept with copies of this procedure in the San. Bernardino Police Department Policy Manual.