Form 8821
IRS title for this form number: “Tax Information Authorization”. Other rows in this family carry slightly different titles, listed verbatim below.
5 records in this family: 2 Form rows, 3 Instruction rows, 3 other-language rows. Every link below goes to the IRS’s own PDF for that record.
Form
| Record id | Product number | Title | Revision date | Posted date | Language / edition | IRS copy |
|---|---|---|---|---|---|---|
| Form 8821 | Form 8821 | Tax Information Authorization | Jan 2021 | 01/22/2021 | English | Open the IRS copy |
| Form 8821 (sp) | Form 8821 (sp) | Tax Information Authorization (Spanish Version) | Jan 2021 | 12/02/2021 | Spanish | Open the IRS copy |
Instructions
| Record id | Product number | Title | Revision date | Posted date | Language / edition | IRS copy |
|---|---|---|---|---|---|---|
| Instruction 8821 | Instruction 8821 | Instructions for Form 8821, Tax Information Authorization | Sep 2021 | 09/02/2021 | English | Open the IRS copy |
| Instruction 8821 (SP) | Instruction 8821 (SP) | Instructions for Form 8821, Tax Information Authorization (Spanish Version) | Sep 2021 | 01/24/2022 | Spanish | Open the IRS copy |
| Instruction 8821 (zh-t) | Instruction 8821 (zh-t) | Instructions for Form 8821, Tax Information Authorization (Chinese-Traditional Version) | Sep 2021 | 07/22/2022 | Chinese (Traditional) | Open the IRS copy |
Other-language versions are inside the tables above, each with its own link: Form 8821 (sp), Instruction 8821 (SP), Instruction 8821 (zh-t). They are also collected on the other-languages page.
Source: IRS listing, retrieved September 2026. Record ids: Form 8821, Form 8821 (sp), Instruction 8821, Instruction 8821 (SP), Instruction 8821 (zh-t).
Every revision date, posted date, title and PDF link above is copied from the row with that record id in the listing, unchanged.
Full listing: IRS, ‘Forms, instructions and publications’.
Where this form number sits
These links are other pages on this site, built from the same listing. They are navigation, not advice.