The list of tax acronyms and abbreviations.

All tax related acronyms and abbreviations.

Stands For|14Abbreviated As|0Related|279
2
TIN:
Taxpayer Identification Number(US business, Taxation, US taxation)
1
AGI:
Adjusted Gross Income(Healthcare, US taxation, Taxation)
1
BMF:
Business Master File(Taxation, US taxation, TAX)
1
EFTPS:
Electronic Federal Tax Payment System(Taxation, US taxation, TAX)
1
FOIA:
Freedom of Information Act(US business, Military law, Computers)
1
IDRS:
Integrated Data Retrieval System(US business, Taxation, US taxation)
1
IMF:
Individual Master File(Taxation, US taxation, TAX)
1
IRA:
Individual Retirement Account(Labour economics, Labour, Financial)
1
IRC:
Internal Revenue Code(CODE, US business, Taxation)
1
IRM:
Internal Revenue Manual(US business, Taxation, US taxation)
1
ITIN:
Individual Taxpayer Identification Number(US taxation, Taxation, TAX)
1
RAL:
Refund Anticipation Loan(Taxation, US taxation, TAX)
1
SA:
Special Agent(US taxation, Taxation, TAX)
1
SAC:
Special Agent in Charge(US business, US taxation, Taxation)
1
TBD:
To Be Determined(US taxation, Taxation, TAX)
1
TIGTA:
Treasury Inspector General for Tax Administration(US business)
0
23C:
Assessment Date(Taxation, US taxation, TAX)
0
ACC:
Associate Chief Counsel(Taxation, US taxation, TAX)
0
ACI:
Appeals Coordinated Issues(Taxation, US taxation, TAX)
0
ACR:
Audit Change Report(Taxation, US taxation, TAX)
For more, try TAX on ALL ACRONYMS DICTIONARY
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ChicagoSmart Define. 2018. "tax" http://smartdefine.org/tax/abbreviations/r (accessed September 26, 2026).
HarvardSmart Define 2018, tax, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/tax/abbreviations/r>.
MLASmart Define. "tax" 16 February 2018. Web. 26 September 2026. <http://smartdefine.org/tax/abbreviations/r>