How To Write A Letter To Request For A Charity . If you run a charity organization or you are just a member, you will agree with me that donation is one important aspect you can’t ignore. While ending the letter a thank you note to all should be mentioned. Sample Donation Request Letter Download Printable PDF Templateroller from www.templateroller.com Your donation will go toward [provide information on what the contribution will be used for]. Signing the letter helps to further personalize your donation request. The following is the email format that should be followed while writing a charity donation email.