If not, how do I become tax-exempt? A Texas nonprofit corporation is not automatically exempt from federal or state taxes. To become exempt, the corporation must meet certain requirements and apply with both the IRS and the Texas Comptroller of Public Accounts. To learn more about the rules and procedures for obtaining a federal tax-exempt status, read IRS publication 557 “How to Apply for Recognition of Exemption for an Organization.” You may also direct your questions regarding federal tax exemption by writing to the IRS, Exempt Organizations, 1100 Commerce, Dallas, Texas 75242 or by calling (214) 767-6023 or 767-0040. To learn more about the rules and procedures for obtaining a state tax exempt status, contact the Texas Comptroller of Public Accounts, Tax Exempt Organizations Section, by calling (800) 531-5441 or (512) 463-4600 or by sending an e-mail to firstname.lastname@example.org.