Form 15100
IRS title for this form number: “Adoption Taxpayer Identification Number (ATIN) Extension Request”. Other rows in this family carry slightly different titles, listed verbatim below.
2 records in this family: 2 Form rows, 0 Instruction rows, 1 other-language row. 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 15100 | Form 15100 | Adoption Taxpayer Identification Number (ATIN) Extension Request | Oct 2017 | 10/25/2017 | English | Open the IRS copy |
| Form 15100 (sp) | Form 15100 (sp) | Adoption Taxpayer Identification Number (ATIN) Extension Request (Spanish Version) | Oct 2017 | 06/09/2022 | Spanish | Open the IRS copy |
Other-language versions are inside the tables above, each with its own link: Form 15100 (sp). They are also collected on the other-languages page.
Source: IRS listing, retrieved September 2026. Record ids: Form 15100, Form 15100 (sp).
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
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