Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym PTIN is...

PTIN is

  • Preparer Tax Identification Number

More Meanings For PTIN:

  • Postini Threat Identification Network
  • Preparer Tax Identification Number
  • Postini Threat Identification Network
  • Preparer Tax Identification Number
  • Preparer Tax Identification Number
  • Preparer Tax Identification Number

PTIN is also in:

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