ATIN

See also: atin and Atin

English

Noun

ATIN (plural ATINs)

  1. Initialism of adoption taxpayer identification number.
    • 2025 May, “The One, Big, Beautiful Bill”, in United States House Committee on Ways & Means‎[1], 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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