Nonprofit organizations must apply for exemption with the Comptroller's office and receive exempt status before making tax-free purchases. Donation receipts are important!Here's how to create donation receipts your donors (and the IRS) will love. Include Volunteer Activity. Please fill out the donation form for any in-kind items provided to RMHC Greater Houston. Form. Name. Information is available from Business and Nonprofit Forms page of the Secretary of State's website. The online donation form must be filled out completely in order for your organization's request to be considered. Additionally, the IRS can revoke a nonprofit corporation's tax exemption for violations of federal tax laws.