What does PTIN Mean?

Browse 7 acronyms and abbreviations related to PTIN.

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  • Postini Threat Identification Network
  • Preparer Tax Identification Number
  • Preparer Tax Identification Number (US Internal Revenue Service)
  • Polskie Towarzystwo Informacji Naukowej (Polish: Polish Society for Information Science; Katowice, Poland)
  • Polskie Towarzystwo Informacji Naukowej
  • Postini Threat Identification Network
  • Preparer Tax Identification Number
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