File Form 8821 to: Authorize any individual, corporation, firm, organization, or partnership you designate to inspect and/or receive your confidential information verbally or in writing for the type of tax and the years or periods listed on the form. Delete or revoke prior tax information authorizations. Current Revision Form 8821 PDF Instructions for Form 8821 (Print Version PDF) Recent Developments None at this time. Other Items You May Find Useful All Revisions for Form 8821 Submit Forms 2848 and 8821 Online About Form 4506, Request for Copy of Tax Return About Form 4506-T, Request for Transcript of Tax Return About Form 4506-T-EZ, Short Form Request for Individual Tax Return Transcript Third Party Authorization Purpose Other Current Products Related About Form 56, Notice Concerning Fiduciary Relationship About Form 843, Claim for Refund and Request for Abatement About Form 2848, Power of Attorney and Declaration of Representative About Form 8802, Application for U.S. Residency Certification