The list of tax acronyms and abbreviations.

All tax related acronyms and abbreviations.

Stands For|14Abbreviated As|0Related|279
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EP/EO:
Employee Plans/Exempt Organizations(US business, US taxation, Taxation)
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EPMF:
Employee Plans Master File(US taxation, Taxation, TAX)
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EQMS:
Exam Quality Measurement System(US taxation, Taxation, TAX)
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EQTRAS:
Examination Quality Trends Analysis System(US taxation, Taxation, TAX)
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ERTA:
Economic Recovery Tax Act of 1981(US taxation, Taxation, TAX)
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ES:
Estimated Tax(US taxation, Taxation, TAX)
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ESP:
Examination Special Procedures(US taxation, Taxation, TAX)
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Examination Support and Processing(US taxation, Taxation, TAX)
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ETA:
Electronic Tax Administration(US taxation, Taxation, TAX)
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ETE:
Employment Tax Examiner(US taxation, Taxation, TAX)
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Exam:
Examination(US taxation, Taxation, TAX)
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FDC:
Fraud Detection Center(US taxation, Taxation, TAX)
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FERDI:
Federal Employee & Retiree Delinquency Investigations(US taxation)
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FF:
Field Force(US taxation, Taxation, TAX)
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FFA:
Fiduciary FTD Avoidance(US taxation, Taxation, TAX)
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FFF:
Fraudulent Failure to File(US taxation, Taxation, TAX)
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FICA:
Federal Insurance Contribution Act(Governmental, Central, Administration)
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FIFO:
First-In-First-Out Inventory Method(US taxation, Taxation, TAX)
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FO:
Facilities Operations(US taxation, Taxation, TAX)
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FOBC:
Facilities Operations Branch Chief(US taxation, Taxation, TAX)
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APASmart Define. (2018). tax. Retrieved September 28, 2026, from http://smartdefine.org/tax/abbreviations/r
ChicagoSmart Define. 2018. "tax" http://smartdefine.org/tax/abbreviations/r (accessed September 28, 2026).
HarvardSmart Define 2018, tax, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/tax/abbreviations/r>.
MLASmart Define. "tax" 16 February 2018. Web. 28 September 2026. <http://smartdefine.org/tax/abbreviations/r>