Thanks Letter Format. Each sample letter comes with guidelines and advice to help you find the right words. Tips for Writing a Thank-You Letter.
If you think the donor would be interested in making further donations, it's prudent that you send them a separate letter, other than the thank you letter. By definition, you can consider a letter of gratitude as one written for professional purposes rather than personal ones. Timing is important, so make sure you pen this letter as soon as possible.
Use them for inspiration, but be sure your own letter is personalized and heartfelt.
However, you had been such a delight when you participated in filling out the forms.
Here are a few examples of appreciation letters for different scenarios. Sample thanks letter to acknowledge payment received confirmation. I know how busy you are, so I really appreciated the time you spent with me.