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ATIN
From Wiktionary, the free dictionary
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English
Noun
ATIN (plural ATINs)
- Initialism of adoption taxpayer identification number.
- 2025 May, “The One, Big, Beautiful Bill”, in United States House Committee on Ways & Means, page 43:
- A TIN is a Social Security number (SSN), an individual taxpayer identification number (ITIN), or an adoption taxpayer identification number (ATIN).
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