The list of tax acronyms and abbreviations.

All tax related acronyms and abbreviations.

Stands For|14Abbreviated As|0Related|279

279 entries under topic. ×

1
IDRS:
Integrated Data Retrieval System(US business, US taxation, Taxation)
1
IMF:
Individual Master File(US taxation, Taxation, TAX)
1
IRA:
Individual Retirement Account(Labour economics, Labour, Financial)
1
IRC:
Internal Revenue Code(CODE, US business, US taxation)
1
IRM:
Internal Revenue Manual(US business, US taxation, Taxation)
1
ITIN:
Individual Taxpayer Identification Number(US taxation, Taxation, TAX)
1
RAL:
Refund Anticipation Loan(US taxation, Taxation, TAX)
1
SA:
Special Agent(Taxation, US taxation, TAX)
1
SAC:
Special Agent in Charge(US business, Taxation, US taxation)
1
TBD:
To Be Determined(Taxation, US taxation, TAX)
1
TIGTA:
Treasury Inspector General for Tax Administration(US business)
0
23C:
Assessment Date(US taxation, Taxation, TAX)
0
ACC:
Associate Chief Counsel(US taxation, Taxation, TAX)
0
ACI:
Appeals Coordinated Issues(US taxation, Taxation, TAX)
0
ACR:
Audit Change Report(US taxation, Taxation, TAX)
0
ACS:
Automated Collection Service(US taxation, Taxation, TAX)
0
Automated Collection Services(US taxation, Taxation, TAX)
0
ADEPT:
Automated Deposit of Electronic Payments for Taxes(US taxation)
0
ADR:
Alternative Dispute Resolution Procedures(US taxation, Taxation, TAX)
0
AIMS:
Audit Information Management System(US business, US taxation, Taxation)
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APASmart Define. (2018). tax. Retrieved October 2, 2026, from http://smartdefine.org/tax/abbreviations/r/us_taxation
ChicagoSmart Define. 2018. "tax" http://smartdefine.org/tax/abbreviations/r/us_taxation (accessed October 2, 2026).
HarvardSmart Define 2018, tax, Smart Define, viewed 2 October, 2026, <http://smartdefine.org/tax/abbreviations/r/us_taxation>.
MLASmart Define. "tax" 16 February 2018. Web. 2 October 2026. <http://smartdefine.org/tax/abbreviations/r/us_taxation>