These organizations need only include a copy of their federal section 501(c)(3) determination letter with their completed Form ST-119.2. We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes.Learn how to easily create your donation receipts and the best practices to follow in the year-end receipts to your donors. Include the nonprofit's EIN so the the donor can to check the charity's tax-exempt status with the IRS. Give Clothing Donations to BBBSLI. Big Brothers Big Sisters of Long Island is a private, non-sectarian, not-for-profit, 501(c)(3) tax-exempt organization. Donations will be sent to the Toys For Tots Foundation so they can provide you a Tax ID letter. How To Become A Marine Toys for Tots National Corporate Donor A message from Town Supervisor Don Clavin. Enroll in a physical fitness or cultural arts class or take a daily walk on the trails at Norman J. Levy Park and Preserve in Merrick.