Here is a list of some commonly used short forms or abbreviations in the context of income tax in the USA:
- AFSP Annual Filing Season Program
- AGI Adjusted Gross Income
- AICPA American Institute of Certified Public Accountants
- AMT Alternative Minimum Tax
- APS Advanced Pricing Agreement
- BEAT Base Erosion and AntiAbuse Tax
- CARES Coronavirus Aid, Relief, and Economic Security Act
- CBP Customs and Border Protection
- CCA Chief Counsel Advice
- CFC Controlled Foreign Corporations
- CI Criminal Investigation
- CIRA Centralized Industry Audit Regime
- CMIR Currency and Monetary Instrument Report
- CMS Centers for Medicare and Medicaid Services
- COD Cancellation of Debt
- CPEO Certified Professional Employer Organization
- CTC Child Tax Credit
- DAF DonorAdvised Fund
- DAP Domestic Asset Protection Trust
- DCN Document Control Number
- DIF Discriminant Index Function
- DOL Department of Labor
- DRD Dividend Received Deduction
- DTA Deferred Tax Asset
- DTAA Double Taxation Avoidance Agreement
- EAD Employment Authorization Document
- ECI Effectively Connected Income
- EFTPS Electronic Federal Tax Payment System
- EIN Employer Identification Number
- EITC Earned Income Tax Credit
- ELP Employment Law Poster
- EMR Experience Modification Rate
- ENQ Examination Notification Letter
- EORI Economic Operator Registration and Identification
- ES Estimated Tax Payments
- ETA Electronic Travel Authorization
- ETN Exempt Trustee Notification
- ETR Effective Tax Rate
- FATCA Foreign Account Tax Compliance Act
- FBAR Foreign Bank Account Report
- FCRA Fair Credit Reporting Act
- FDAP Fixed, Determinable, Annual, or Periodical Income
- FERPA Family Educational Rights and Privacy Act
- FICA Federal Insurance Contributions Act
- FINCEN Financial Crimes Enforcement Network
- FISMA Federal Information Security Management Act
- FLSA Fair Labor Standards Act
- FMV Fair Market Value
- FUTA Federal Unemployment Tax Act
- GILTI Global Intangible LowTaxed Income
- GSA General Services Administration
- HCE Highly Compensated Employee
- HSA Health Savings Account
- IDA Investment Development Account
- IDP Individual Development Plan
- IFR Interim Final Rule
- IFTA International Fuel Tax Agreement
- IGCE Independent Government Cost Estimate
- IIA International Investment Agreement
- ILSA Interstate Land Sales Full Disclosure Act
- IMEI International Mobile Equipment Identity
- INA Immigration and Nationality Act
- IP PIN Identity Protection Personal Identification Number
- IPPF International Professional Practices Framework
- IRB Internal Revenue Bulletin
- IRC Internal Revenue Code
- IRS Internal Revenue Service
- ISO Incentive Stock Option
- ITIN Individual Taxpayer Identification Number
- ITRA Innocent Spouse Relief Agreement
- JCT Joint Committee on Taxation
- K1 Schedule K
- W2 Wage and Tax Statement
- 1099 Miscellaneous Income Statement
- 1040 U.S. Individual Income Tax Return
- 1040EZ Income Tax Return for Single and Joint Filers With No Dependents
- 1099R Distributions From Pensions, Annuities, Retirement or ProfitSharing Plans, IRAs, Insurance Contracts, etc.
- SALT State and Local Taxes
- RMD Required Minimum Distribution
- QBI Qualified Business Income
- ACA Affordable Care Act
- SEP Simplified Employee Pension Plan
- IRA Individual Retirement Account
- ROTH IRA Roth Individual Retirement Account
- FAFSA Free Application for Federal Student Aid
- FATCA Foreign Account Tax Compliance Ac
- HOH Head of Household
- EIC Earned Income Credit
- NOL Net Operating Loss
- QCD Qualified Charitable Distribution
- PTC Premium Tax Credit
- SSN Social Security Number
- ACTC Additional Child Tax Credit
- AOTC American Opportunity Tax Credit
- SSB Social Security Benefits
- SE Tax SelfEmployment Tax
- CG Capital Gains
- E&P Earnings and Profits
- NQDC Nonqualified Deferred Compensation
- PFIC Passive Foreign Investment Company
- OVDP Offshore Voluntary Disclosure Program
- FATF Financial Action Task Force
- BEAT Base Erosion and AntiAbuse Tax.
- AFR Applicable Federal Rate
- QI Qualified Intermediary
- FIRPTA Foreign Investment in Real Property Tax Act
- CTR Currency Transaction Report
- FAT Foreign Account Tax Compliance
- FTB Franchise Tax Board
- SBE State Board of Equalization
- FTI Financially troubled Institution
- UI Unemployment Insurance
- NUA Net Unrealized Appreciation
- EO Exempt Organization
- HCTC Health Coverage Tax Credit
- QTP Qualified Tuition Program
- QSEHRA Qualified Small Employer Health Reimbursement Arrangement
- RPE Regulated Public Utility
- RPT Real Property Tax
- UBTI Unrelated Business Taxable Income
- VCP Voluntary Correction Program
- TCJA Tax Cuts and Jobs Act
- UCC Uniform Capitalization Rules
- OIC Offer in Compromise
- RAL Refund Anticipation Loan
- R&D Research and Development Credit
- ROBS Rollovers for Business Startups
- SALT State and Local Tax Deduction
- SDI State Disability Insurance
- SMLLC SingleMember LLC
- SSI Supplemental Security Income
- TIN Tax Identification Number
- TPA ThirdParty Administrator
- TPFA Taxpayer First Act
- UCE Unreasonable Compensation Excise Tax
- UDAAP Unfair, Deceptive, or Abusive Acts or Practices
- UPREIT Umbrella Partnership Real Estate Investment Trust
- W4 Employee’s Withholding Allowance Certificate
- W9 Request for Taxpayer Identification Number and Certification
- WOTC Work Opportunity Tax Credit
- YTD YeartoDate
- NII Net Investment Income
- TEFRA Tax Equity and Fiscal Responsibility Act
- OBRA Omnibus Budget Reconciliation Act
- SLR Safe Harbor Lease Rule
- BOE Board of Equalization
- BPT Business Privilege Tax
- CTR Cash Transaction Report
- DI Disability Insurance
- ETM Electronic Tax Administration and Management
- FSP Financial Services Provider
- HVUT Heavy Vehicle Use Tax
- OASDI Old Age, Survivors, and Disability Insurance
- PI Personal Injury
- PITI Principal, Interest, Taxes, and Insurance
- SBC Summary of Benefits and Coverage
- TBOR Taxpayer Bill of Rights
- TPS Temporary Protected Status
- UCR Unified Carrier Registration
- CAA Consolidated Appropriations Act
- QSF Qualified Settlement Fund
- SED Source of Earned Dividends
- SBA Small Business Administration
- ARPA American Rescue Plan Act
- CTRM Commodity Trading and Risk Management
- ESOP Employee Stock Ownership Plan
- FSA Flexible Spending Account
- COBRA Consolidated Omnibus Budget Reconciliation Act
- HIPAA Health Insurance Portability and Accountability Act
- FMLA Family and Medical Leave Act
- ADA Americans with Disabilities Act
- EEOC Equal Employment Opportunity Commission
- SUTA State Unemployment Tax Act
- STD ShortTerm Disability
- LTD LongTerm Disability
- COGS Cost of Goods Sold
- FDII ForeignDerived Intangible Income
- FIRRMA Foreign Investment Risk Review Modernization Act
- SSO Single SignOn
- 2FA TwoFactor Authentication
- ENS Enterprise Network Security
- OPEB Other Postemployment Benefits
- ERISA Employee Retirement Income Security Act
- NDT NonDisclosure Agreement
- VPN Virtual Private Network
- DMCA Digital Millennium Copyright Act
- EEA European Economic Area
- GDPR General Data Protection Regulation
- CCPA California Consumer Privacy Act
- COPPA Children’s Online Privacy Protection Act
- NIST National Institute of Standards and Technology
- PCI DSS Payment Card Industry Data Security Standard
- SSAE Statement on Standards for Attestation Engagements
- SOC Service Organization Control
- CAS Cost Accounting Standards
- DFARS Defense Federal Acquisition Regulation Supplement
- FAR Federal Acquisition Regulation
- ITAR International Traffic in Arms Regulations
- SAM System for Award Management
- TINA Truth in Negotiations Act
- VAT ValueAdded Tax
- OECD Organisation for Economic Cooperation and Development
- UCCJEA Uniform Child Custody Jurisdiction and Enforcement Act
- UETA Uniform Electronic Transactions Act
- UCC Uniform Commercial Code
- WPA Whistleblower Protection Act
- IRFA Initial Regulatory Flexibility Analysis
- OMB Office of Management and Budget
- PRA Paperwork Reduction Act
- RFA Regulatory Flexibility Act
- SCRA Servicemembers Civil Relief Act
- ESG Environmental, Social, and Governance
- EEO Equal Employment Opportunity
- OSHA Occupational Safety and Health Administration
- USERRA Uniformed Services Employment and Reemployment Rights Act
- I9 Employment Eligibility Verification Form
- WIOA Workforce Innovation and Opportunity Act
- EBSA Employee Benefits Security Administration
- 23C Assessment Date; Master File Notice Date
- A/R Accounts Receivable
- AAC Automated Accounting System also AIMS Assignee Code
- AAV Accountability Acceptance Voucher
- ABC Alpha Block Control
- ABIS Audit Base Inventory System
- ABS Abstract (Number)
- ACD Automated Call Distribution/Distributor (CADE)
- ACI Assistant Commissioner International
- ACIS AIMS Computer Information System
- ACL Access Control List (CADE)
- ACS Automated Collection System
- ACTC Advance Child Tax Credit
- ACTRFR GMF Account Transfers-In (BMF/IMF)
- ADCS Automated Document Control System
- ADDAPT Alternative DIF Delivery and Planning Tool
- ADH Automated Document Handling
- ADJ Adjustment
- ADP Automatic Data Processing
- ADR Advance Dated Remittances
- ADSI Action Delete Status Indicator
- AEIC Advanced Earned Income Credit
- AES Automated Examination System
- AICS Automated Inventory Control System
- AIIS Automated Issues Identification System
- AIMF Audit Information Management File
- AIMS Audit Information Management System
- AIS Automated Insolvency System
- AM Accounts Maintenance
- AMA Accounts Maintenance Automation
- AMS Audit Management System
- AMIR Audit Management Information Reports
- AMIS Adjustment Management Information System
- AMRH Accounts Maintenance Research
- AMTAP Accounts Management Taxpayer Assurance Program
- ANMF Automated Non-Master File
- AO Area Office
- AOIC Automated Offers in Compromise
- AP Adjustment Pending
- Any line marked with # is for official use only
- Acronyms Definition
- APL Authorized Preparer List
- ARDI Accounts Receivable Dollar Inventory
- ARL Adjustment Record List
- ASED Assessment Statute Expiration Date
- ASFR Automated Substitute for Return
- ATAF ACS Taxpayer Account File
- ATAO Application for Tax Assistance Order
- ATIN Adoption Taxpayer Identification Number
- ATS Abusive Tax Shelter
- ATSDT Abusive Tax Shelter Detection Team
- AUR Automated Underreporter Project
- AUS Automated Underreporter System
- AWMS Automated Workload Management System
- BCC Business Operating Division Client Code
- BCS Block Count Sheet
- BEITC Business Energy Investment Tax Credit
- B&F Business & Farm
- BHR Block Header Record
- BLLC Bankruptcy Litigation Location Code
- BMF Business Master File
- BOB Block Out of Balance
- BOD Business Operating Division
- BPI TOP Offset Bypass Indicator
- BPL Block Proof List
- BPR Block Proof Record
- BPRL Block Proof Record Listing
- BRTF Business Return Transaction File (CADE)
- BRTFOL Business Return Transaction File On-Line
- BRTVU Business Return Transaction Files On-Line
- BS Blocking Series
- BTIF Business Taxpayer Information File
- BWH Backup Withholding
- CADE Customer Account Data Engine
- CAF Centralized Authorization File
- CAP CAWR Automated Program Tier II System
- CAPR Computer Assisted Pipeline Review
- CAPS Corporate Accounts Processing System
- CAR Collection Activity Reports
- CATS Computer Assisted Training System
- CAWR Combined Annual Wage Reporting
- CBAF Commercial Bank Address File
- CBRS Currency and Banking Retrieval System
- CC Closing Code
- CC Command Code
- CCA Case Control Activity
- CCA Case Control Assignment
- CCC Computer Condition Code
- CCU Cycle Control Unit
- CD Certificate of Deposit
- CDR Control Data Recap
- CEMIS Coordinated Examination Management Information System for Large Cases
- CERS Collection/Exam Referral System
- CES Correspondence Expert System
- CFf Collection Function-field
- CFOL Corporate Files on Line
- CIS Correspondence Imaging System
- CLC Collection Location Code
- CNC Currently Not Collectable
- COA Change of Address
- COAD Coin Operated Amusement Device
- COBRA Consolidated Omnibus Reconciliation Act
- COMPS Composite Mail Processing System
- CP Computer Paragraph
- CPL Cycle Proof Listing
- CPU Central Processing Unit
- CRIS Compliance Research Information System
- CRL Control Record Listing
- CRS Communication Replacement System
- CSC Cincinnati Campus
- CSED Collection Statute Expiration Date
- CSP Centralized Scheduling Program
- CSR Customer Service Representative
- CSS Clerical Screening Subsystem
- CUM Cumulative
- CUP Corrected Unpostable
- CVPN Civil Penalty
- CWA Central Withholding Agreement
- CY Calendar Year
- CYC Cycle
- CZ Combat Zone
- DAIP Delinquent Account Inventory Profile
- DAR Delinquent Accounts and Returns
- DATC Deferred Adverse Tax Consequence
- DBA Data Base Administrator
- DBPS Daily Block Proof Summary
- DC Dishonored Check
- DC Document Code
- DC Disposal Code
- DCC Detroit Computing Center
- DCF Dishonored Check File
- DCPS Data Communication Processing System
- DDB Dependent Database
- DI Desktop Integration
- DIAL Delinquent Investigation/Account Listing
- DIF Discriminate Index Function
- DIN Document Identification Number
- DIRF Delinquency Investigation Research File
- DIS Distribution Input System
- DLN Document Locator Number
- DM-1 Data Master 1 (SSA Tape)
- DMF Debtor Master File
- DMFOL Debtor Master File On-Line
- DMS Database Management System
- DO District Office
- DOAO District and Area Office Location
- DOC Document
- DOD Date of Death
- DP Data Processing
- DPC Designated Payment Code
- DPR Daily Production Report
- DRU Document Retention Unit
- DTR Daily Transaction Register
- DY Last Year Delinquent Return Secured
- EAC ERS Action Codes
- EACS EP/EO Application Control System (IDRS)
- EAM Electronic Accounting Machine
- EAN Entity Account Number
- EAX System ID or Run Number for EACS
- EC Employment Code
- ED Establishment Date
- EDP Electronic Data Processing
- EDS EP/EO Determination System
- EEIF Enhanced Entity Index File
- EFAST ERISA Filing Acceptance System
- EFDS Electronic Fraud Detection System
- EFT Electronic Funds Transfer
- EIF Entity Index File
- EKIF EIN Key Index File
- ELF Electronic Filing System
- EMFOL Employee Plans Master File On-Line
- ENC Extension Notice Code
- EOD End-of-Day
- EOM End of Month
- EOMF Exempt Organizations Master File
- EOps Enterprise Operations
- EOS End-of-Shift
- EP Employee Plans
- EPC Exemption Processing Code
- EPMF Employee Plans Master File
- ERA EIN Research and Assignment
- ERAS EIN Research and Assignment System (IDRS)
- ERCS Examination Returns Control System
- ERDF Edited Research Data File
- ERDS Edited Research Display File (ACTRA only)
- ERIS Enforcement Revenue Information System
- ERF Employer Return File
- ERIS Employment Retirement Income Security
- ERS Error Resolution System
- ES Estimated Tax
- ETAP Employment Tax Adjustment Program
- ETE Employment Tax Examination
- FAISR Files Archival Image Storage and Retrieval System
- FARC Federal Archives Record Center
- FE Field Examination
- FHWA Federal Highway Administration
- FICA Federal Insurance Contribution Act
- FIN Fiduciary Identification Number
- FINDE/FINDS Command Codes
- FIRPTA Foreign Investment Real Property Tax Act
- FLC File Location Code
- FM Fiscal Month
- FMS Financial Management Service
- FOD Foreign Operations District
- FOF Fact of Filing
- FOI Freedom of Information
- FP Full Paid
- FPAA Final Partnership Administrative Adjustment
- FPLP Federal Payment Levy Program
- FRB Federal Reserve Bank
- FR(C) Filing Requirement (Code)
- FRC Federal Records Center
- FSAA Final S-Corporation Administrative Adjustment
- FSC Filing Status (Code) (Form 1040 Series)
- FSP Functional Specification Package
- FTD Federal Tax Deposit
- FTF Failure to File
- FTL Federal Tax Lien
- FTP Failure to Pay
- FTS 2000 Federal Telecommunications System 2000
- FY Fiscal Year
- FYE Fiscal Year Ending
- FYM Fiscal Year Month
- GAME State Lottery and Gambling Casino Winners
- GEN Group Exemption Number
- GERL Good/Error/Reject Block Proof Record List
- GLF General Ledger File
- GMF Generalized Mainline Framework
- GOALS Government On-Line Accounting Link System
- GPP General Purpose Program
- GUF Generalized Unpostable Framework
- HC Hold Code
- HSTG Hostage
- HTF Highway Trust Fund
- HUR High Underreporter
- ICP Integrated Case Processing
- ICS Inventory Control System
- ICS Integrated Collection System
- ID Identification
- IDRS Integrated Data Retrieval System
- IDS Inventory Delivery System
- IE Itemized Deductions
- IGP Information Gathering Project
- IMF Individual Master File
- IMPIS Integrated Management Planning Information System
- IMS Integrated Management System
- IP Interactive Applications
- IPR Individual Performance Report
- IRAF Individual Retirement Account File – No longer used
- IRM Internal Revenue Manual
- IRMF Information Returns Master File
- IRP Information Return Program
- IRSS Information Return Master File Transcript
- ISRP Integrated Submission and Remittance Processing
- ITIF Individual Taxpayer Information File
- ITIN IRS Individual Taxpayer Identification Number
- IVL Individual Validation Listing
- JOC Joint Operation Command – Atlanta
- KDO Key
- KIF Key Index File – No longer Used
- KITA Killed in Terrorist Action
- KV Key Verify
- LADAR Large Dollar Accounts Receivable
- LEM Law Enforcement Manual
- LMSB Large & Mid-Size Business
- LOAF Level One Archive File ACS
- LPS Last Period Satisfied
- LRA Last Return Amount
- MACS Midwest Automated Compliance System
- MAR Mid–Atlantic Region
- MCC Major City Code
- MCC Martinsburg Computing Center
- MCR Master Control Record
- MDF Master Directory File
- ME Math Error
- MeF Modernized e File
- MED Medicare
- MER Management Error Report
- MF Master File
- MFA Married Filing Alien
- MFR Mail File Requirement (Code)
- MFT Master File Transaction
- MIR Management Information Report
- MIS Management Information System
- MOP Military Operations
- MPS Master File Pipeline System
- MRS Microfilm Replacement System
- NAI National Accounts Index
- NAICS North American Industry Classification System
- NAP National Account Profile
- NAMEB/NAMI Command Code
- NB Non–Business
- NBAP Notice of Beginning of Administrative Procedures
- NCC National Computing Center
- NECT Non–Exempt Charitable Trust
- NIF Not In File
- NMF Non–Master File
- NO National Office
- NPJ Non Pre–Journalized
- NR No Remittance
- NRA Non Resident Alien
- NRPS Notice Review Processing System
- NSF Name Search Facility
- NTRR Net Tax Refund Report
- NU Nullified Unpostables
- NUL Nullified Unpostable Listing
- OASI Old Age Survivors Insurance
- OBL Outstanding Balance List
- OCR Optical Character Recognition
- OE Office Examination
- OE Original Entry
- OFP Organizations Functions and Programs
- OG/OB Office Group/Office Branch
- OLE On Line Entity
- OPAC On-Line Payment and Collection System
- OTA On-Line Tax Advisor
- OTFP Other Than Full Paid
- OTN TOP Offset Trace Number
- PANF Plan Account Number File
- PAO Penalty Appeals Officer
- PBA Principal Business Activity Code
- PC Process Code
- PCA Project literal for the Performance Evaluation Reporting Project
- PCB Project literal for the Service Center Workload Scheduling Project
- PCD Project literal for the Control Data Analysis Project
- PCCF Plan Case Control File
- PCS Partnership Control System
- PCF Plan Characteristics File
- PDT Potentially Dangerous Taxpayer
- PE Program Error
- PE Production Evaluation
- PECF Presidential Election Campaign Fund
- PIA Principal Industry Activity Code
- PICF Partnership Information Control File
- PINEX Penalty and Interest Explanations
- PJ Pre–Journalized
- PLC Primary Location Code
- PLEC Plan Level Entity Control
- PMF Payer Master File
- POA Power of Attorney
- POD Post of Duty
- PPBS Planning, Programming, and Budgeting System
- PRA Pre–refund Audit
- PRC Penalty Reason Code
- PRN Penalty Reference Number
- PRO Problem Resolution Officer
- PRP Program Requirement Package (Information Technology Services)
- PRP Problem Resolution Program
- PSP Program and Special Project
- PSSN Primary Social Security Number
- PTP Publicly Traded Partnerships
- PTIN Preparer Tax Identification Number
- PTP Publicly Traded Partnership
- PTPF Payee TIN Perfection File
- PY Processing Year
- PYNC Prior Year Notice Code
- QRP Questionable Refund Program
- QRDT Questionable Refund Detection Team
- RA Revenue Agent
- RACS Revenue Accounting Control System
- RAF Reporting Agent’s File
- RC Reason Code
- RCC Return Condition Code
- RCF Recertification System (IDRS)
- RDC Regional Disbursing Center
- RDD Return Due Date
- RDO Regional Disbursing Office
- REF Refund Information File
- REI Recognition Equipment Incorporated
- RF Retention File
- RFC Regional Finance Center
- RICS Return Inventory Classification System
- RIS Real-time Input System
- RIS Request for Information Technology Services
- RMF Residual Master File
- RO Revenue Officer
- ROFT Record of Federal Tax
- RPD Remittance Processing Device
- RPS Remittance Processing System
- RRCS Revenue Receipt Control Sheet
- RRPS Residual Remittance Processing System
- RRT Railroad Retirement
- RSED Refund Statute Expiration Date
- RTL Renumbered Transaction List
- RUC Responsibility Unit Code
- RWMS Resource and Workload Management System
- SB/SE Small Business & Self-Employed
- SC Service Center
- SCCA Service Center Cost Accounting
- SCCB Service Center Collection Branch
- SCCF Service Center Control File
- SCME Service Center Math Error
- SCRS Service Center Replacement System
- SCTN Service Center Taxpayer Notice
- SCUP Service Center Unpostable
- SCRIPS Service Center Recognition/Image Processing System
- SD Source Document
- SDF Source Document Folders (IDRS)
- SERFE Selection of Exempt Returns for Examination
- SFR Substitute for Return
- SIC Schedule Indicator Code
- SITLP State Income Tax Levy Project
- SKIF SSN Key Index File
- SOI Statistics of Income
- SPC Special Project Code
- SPF Special Procedures Function
- SR Settlement Register
- SSA Social Security Administration
- SSA-CAWR SSA referred CAWR cases with “missing” Forms W-2. Potential Civil penalty case.
- SSSN Secondary Social Security Number/Spouse’s SSN
- SST Social Security Tax
- STEX Statute Expired
- SUPER Study of the Utility of Processing Electronic Returns
- SVC Special Valuation Code
- SWR Southwest Region
- TAS Taxpayer Advocate Service
- TC Transaction Code
- TCC Tennessee Computing Center
- TCC Transmittal Control Code (Magnetic Media)
- TCMP Taxpayer Compliance Measurement Program
- TDA Taxpayer Delinquent Account (aka Bal Due)
- TDI Taxpayer Delinquency Investigation (aka Del Ret)
- TEB Tax Exempt Bonds
- TEFRA Tax Equity Fiscal Responsibility Act (1982)
- TE/GE Tax-Exempt & Government Entities
- TEP Tape Edit Processor
- TREES TE/GE Reporting & Electronic Examination System
- TFRP Trust Fund Recovery Penalty
- TIF Taxpayer Information File
- TILT Taxpayer Inquiry Lookup File
- TIN Taxpayer Identification Number
- TOP Treasury Offset Program
- TP Taxpayer
- TPC Third-Party Contact
- TPI Total Positive Income
- TPNC Taxpayer Notice Code
- TPS Taxpayer Service
- TR Transaction
- TRA Tax Reform Act
- TRIS Telephone Routing Interactive System
- TRS Transcript Research System
- TSN Tape Sequence Number
- TXI Taxable Income
- TY Tax Year
- UA Unavailable (charged out)
- ULC Unit Ledger Card also Universal Location Code
- UP Unpostable
- UPC Unpostable Code
- URC Unpostable Resolution Code
- URF Unidentified Remittance File (IDRS)
- URP Underreporter Program
- US Unserviceable
- VEBA Voluntary Employees Benefit Association
- VRU Voice Response Unit
- W Waiver
- WI Wage & Investments
- WIR Wage Information Retrieval System
- WP&C Work Planning & Control
- WPT Windfall Profit Tax
- WT Withholding Tax
- WTU Weekly TIF Update
- XSF Excess Collection File
- ZTIF Miscellaneous Taxpayer Information File (IRA, EPMF, NMF)
This list helps to find out common tax abbreviations or short form which is used in the USA or worldwide for understanding taxation in the USA.
7 comments
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