Learn how to write the best donation request letters to secure support for your nonprofit, including six templates to get started. Include the nonprofit's EIN so the the donor can to check the charity's tax-exempt status with the IRS.In this post, I'm breaking down how to write a donation letter. "Can we solicit donations pending review of our tax exemption applications with the IRS and FTB? Acknowledgment of "no goods or services were provided as part of this donation. There are many other reasons to send a receipt after receiving a donation. Under Government Code section 12585, initial registration must be filed within 30 days of first receiving charitable assets. 501(c)(3)s have to follow a few guidelines when giving or receiving donations. There's a ton of resources online to ensure you're nailing every single one. Write individual letters asking for the inkind donations you need.