Letter 6475 helps EIP recipients determine if they're eligible to claim the Recovery Rebate Credit on their 2021 tax year returns. Access IRS forms, instructions and publications in electronic and print media.We have provided sample letters that you can use to request waivers of several different types of IRS penalties. An IRS Verification of Non-filing Letter provides proof that the IRS has no record of a filed Form 1040, 1040A, or 1040EZ for the year you requested. You can find the CP or LTR number on the right corner of the letter. If all required reports and payments are already on file, you may request a tax clearance letter using Webfile, or you may complete and return this request. Complete only the lines (or sections) shown on the sample Form 1040X below. Specific instructions for filling out your Form 1040X follow. Texas Comptroller of Public Accounts The Texas Comptroller's office is the state's chief tax collector, accountant, revenue estimator and treasurer. These are electronic federal tax forms, equivalent to a paper 1040 and are designed for taxpayers who are comfortable filling out IRS tax forms.