First paragraph: Immediately thank donors for their gift. A tax exempt organization may need a letter to confirm its taxexempt status or to reflect a change in its name or address.As of January 1, 2023, all Massachusetts taxpayers may now deduct charitable contributions on their state return. To be eligible for the charitable deduction, the gift must be made to a qualified U.S. charity described in section 501(c)(3) of the tax code. If a charitable nonprofit has employees, there are initial and periodic employment forms to file with the state Department of Labor. It can take up to six months to receive your determination letter from the IRS.