U.S. citizens who are members of certain recognized religious groups use this form to obtain a preparer tax identification number (PTIN). Current revision Form 8945 PDF Recent developments None at this time. Other items you may find useful All revisions for Form 8945 Other current products Related items Form SS-5, Application for Social Security Card (PDF) About Form W-12, IRS Paid Preparer Tax Identification Number (PTIN) Application and Renewal