Learn how to easily create your donation receipts and the best practices to follow in the year-end receipts to your donors. There are many other reasons to send a receipt after receiving a donation.We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. A tax donation letter contains details about the donation, including the date, a description, donor information, and value. Donations of certain household items and clothing are often tax deductible when you file your income tax return. What do you need to include in your donation acknowledgment letter?