Donor Advised Funds (DAFs) are an easy and tax-efficient tool for charitable giving. Donation Request San Diego Global PO BOX 120551.San Diego, CA 92112-0551. 3. Learn how to easily create your donation receipts and the best practices to follow in the year-end receipts to your donors. To claim a donation as a deduction on your U.S. taxes, please keep your email donation receipt as your official record. Are My InKind Donations Tax Deductible? To receive your 2024 Tax Donation letter. If you and the donors would like to receive individual donation receipts, please have the donors download this form and fill it out. You will need to provide a Government Affirmation letter or other IRS-provided letter for verification of your nonprofit organization or public agency (i.e. San Diego's Office of the City Treasurer has sent out a peculiar invitation this holiday season.