Use our self-service options on this website to pay your taxes or make a phone or video appointment at your convenience. If you donated to a nonprofit at one of our locations, you are able to access an electronic copy of our nonprofit partners' tax receipt below.In that case, all you need to provide in the donation receipt is the name and EIN of the organization, date of donation, and a description of the donated item. Complete the online Donate to FCPS form and, where applicable, make note that the donated item has been received. Donation Letter – Tax ID. November 9, 2020. PDF; 99 KB. Download. Please provide your contact information to start your vehicle donation. How do I print my property tax receipt for my taxes? We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. The Nature Conservancy is a 501(c)3 organization, and donations are tax-deductible.