PTIN: Preparer Tax Identification Number
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Others
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What is the full form of PTIN?
PTIN stands for Preparer Tax Identification Number. Fullformexpand.com has 2 other full forms for abbreviation PTIN.
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"PTIN." Fullformexpand.com, https://www.fullformexpand.com/ptin/459462. Accessed 15 Nov. 2025.
Fullformexpand.com, 2025. "PTIN." Accessed November 15, 2025. https://www.fullformexpand.com/ptin/459462.
"PTIN." (n.d.). Fullformexpand.com. Retrieved November 15, 2025, from https://www.fullformexpand.com/ptin/459462.
PTIN. (2025). Fullformexpand.com. Available at: https://www.fullformexpand.com/ptin/459462 (Accessed: 15 November 2025).
Found 2 other full forms for PTIN →
| Term | Full Form | Category |
|---|---|---|
| PTIN | Polskie Towarzystwo Informacji Naukowej
| Others |
| PTIN | Postini Threat Identification Network
| Others |
View All Abbreviations →
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