One letter per person up to thirty members.
 
Your donation letter is there to thank the person who made a gift to your congregation.
 
Recognizing this, churches should make sure to convey their gratitude and generosity to continue attracting donors.
 
The IRS requires that churches and other tax-exempt organization send a formal acknowledgment letter for any donation that is more than $250.
 
The donor will use this letter as proof of his or her donation to claim a tax deduction.