HOW TO OBTAIN INDIANA STATE’S SALES TAX EXEMPTION: FileForm NP-20A, together with a copy of the IRS determination letter. Send to: Indiana Department of Revenue Tax Administration P.O. Box 7206 Indianapolis, IN 46207-7206 Once sales tax exemption has been granted, the organization must suppl...
Answer all applicable questions, submit the BT-1 form and print a copy. Nonprofit organizations must fileForm NP-20Ato obtain a TIN. Your application will be processed withinsix weeks, and once registered as a business, you will be assigned a tax ID number. If you need help filling out t...