A-B
| AAJ | Administrative Appeals Judge |
| AARF | Additional Adjusted Reduction Factor |
| ABO | Adjusted Blind Onset |
| AC | Appeals Council |
| ACCESS | Automated Controlled Correspondence Extraction System |
| Act | Social Security Act |
| ADAP | Alcohol and Drug Abuse Patient |
| ADL | Activities of daily living |
| ADP | Automated Data Processing |
| ADS | (SSA) Area Directors |
| AEQY | Alpha Access to Employer Identification Query |
| AERO | Annual Earning Reappraisal Operation |
| AET | Annual Earnings Test |
| AFDC | Aid to Families with Dependent Children |
| AFGE | American Federation of Government Employees |
| AFIA | Assets for Independence Act |
| AG | Attorney General |
| AIDS | Acquired immune-deficiency syndrome |
| AIME | Average Indexed Monthly Earnings |
| AIMS | Administrative Instructions Manual System |
| AJS | Automated Job Stream |
| ALC | Agency Location Code |
| ALJ | Administrative Law Judge |
| ALS | Amyotrophic Lateral Sclerosis |
| AM | Administrative Message |
| AME | Average Monthly Earnings |
| AMT | Amount |
| AMW | Average Monthly Wage |
| AOI | Adequacy of incentives |
| AP | Alternate Participant |
| APA | Administrative Procedures Act |
| APP | Annual Performance Plan |
| APR | Annual Performance Report |
| ARC | Assistant Regional Commissioner |
| ARF | Adjusted Reduction Factor |
| AUX | Auxiliary Benificiary |
| AUX-D | Auxiliary (Spouse, Widow(er), Divorced, Child, etc.) Benefits (DIB) |
| AUX-R | Auxiliary (Spouse, Widow(er), Divorced, Child, etc.) Benefits (RSI) |
| AWIC | Area Work Incentive Coordinator |
| BC | Birth certificate |
| BENDEX | Beneficiary and Earnings Data Exchange |
| BEOG | Basic Educational Opportunity Grants |
| BIC | Beneficiary Identification Code |
| BL | Black Lung |
| BMI | Body mass index |
| BOC | Bureau of the Census |
| BOS | Branch Offices |
| BPA | Blanket Purchase Agreement |
| BPAO | Benefits Planning, Assistance and Outreach Program |
| BPQY | Benefits Planning Query |
| BRI | Benefit Rate Increase |
| BSO | Business Services Online |
| BUCS | Bounty Update Control System |
| BVS | Bureau of Vital Statistics |
| BWE | Blind Work Expenses |
C
| CAL | Compassionate Allowance |
| CAN | Claimant"s account number |
| CAP | Community Action Program |
| CAPI | Computer-assisted personal interview |
| CATI | Computer-assisted telephonel interview |
| CC | Citizenship certificate |
| CCSA | Career Consulting Services of America (one of the case study ENs) |
| CDB | Childhood Disability Benefit |
| CDB-D | Childhood Disability Benefits (DIB) |
| CDB-R | Childhood Disability Benefits (RSI) |
| CDC | Centers for Disease Control (HHS) |
| CDI | Cooperative Disability Investigations |
| CDR | Continuing Disability review |
| CDRCF | Continuing Disability Review Control File |
| CE | Consultative examination |
| CEF | Certified Electronic Folder |
| CENSUS | Census Bureau |
| CESSI | Cherry Engineering Support Systems, Inc. |
| CEXMAR | Current Excess Money Amount of Reduction |
| CFM | Combined Family Maximum |
| CFO | Chief Financial Officer |
| CFR | Code of Federal Regulations |
| CHAMPUS | Civilian Health and Medical Program of the Uniformed Services |
| CICS | Customer Information Control System |
| CIO | Chief Information Officer |
| CIP | Classification of Instructional Program |
| CIRP | Comprehensive Integrity Review Process |
| CMA | Current Month Accrual |
| CMAR | Current Money Amount of Reduction |
| CMBA | Current Monthly Benefit Amount |
| CMP | Current Monthly Payment |
| CMPPA | Computer Matching and Privacy Protection Act |
| CMS | Centers for Medicare & Medicaid Services |
| CO | Certifying Officer |
| COA | Change of Address |
| COL | Cost-of-Living |
| COLA | Cost-of-Living Adjustment |
| COM | Current Operating Month |
| COPP | Certification outcomes payment process |
| CORC | Central Office Redetermination Control System |
| COSS | Commissioner of Social Security |
| CPI | Consumer Price Index |
| CPIA | Current Primary Insurance Amount |
| CPI-W | Consumer Price Index for Urban Wage Earners and Clerical Workers |
| CPMS | Case Processing Management System |
| CPS | Critical Payment System |
| CPS | Current Population Survey |
| CR | Civil Registry |
| CR | Continuing Resolution |
| CREX | Current Reduced Excess |
| CS | Civil Service |
| CSA | Civil Service Annuity |
| CSAMT | Civil Service Amount |
| CSAMTEFFDT | Civil Service Amount Effective Date |
| CSAVR | Council of State Administrators for Vocational Rehabilitation |
| CSAWDTE | Civil Service Award Date |
| CSC | Computer Sciences Corporation |
| CSCAN | Civil Service Claim Number |
| CSDOE | Civil Service Date of Eligibility |
| CSE | Child support enforcement |
| CSRS | Civil Service Retirement System |
| CSWEP | Civil Service Windfall Elimination Provision |
| CUR | Current Unreduced Rate |
| CUREX | Current Unreduced Excess |
| CW | Covered Wages |
| CWIC | Community Work Incentives Coordinator |
| CWOSS | Comprehensive Work Opportunities Support System |
| CY | Computation Years |
| CY | Calendar Year |
D
| DA&A | Drug Addiction and Alcoholism |
| DAB | Departmental Appeals Board (HHS) |
| DACUS | Death Alert, Control and Update System |
| DBCA | Division of Benefit Certification and Accounting |
| DC | Disabled Child |
| DCA | Division of Civil Actions |
| DCComm | Deputy Commissioner for Communications |
| DCDISP | Deputy Commissioner for Disability and Income Security Programs |
| DCF | Disability Control File |
| DCFAM | Deputy Commissioner for Finance, Assessment, and Management |
| DCHR | Deputy Commissioner for Human Resources |
| DCN | Double Check Negotiation |
| DCO | Deputy Commissioner for Operations |
| DCOSS | Deputy Commissioner of Social Security |
| DCS | Deputy Commissioner for Systems |
| DD | Direct Deposit |
| DDS | Disability Determination Service |
| DEFRA | Deficit Reduction Act of 1984 |
| DEO | Data Entry Officer |
| DEQY | Detailed Earnings Query |
| DGS | Document Generation System |
| DHHS | Department of Health and Human Services |
| DHS | Department of Homeland Security |
| DI | Department of Immigration |
| DI | Disability Insurance (under Title II of the Social Security Act) |
| DIB | Disability Insurance Benefits |
| DIB | Data Integrity Board |
| DIB | Disability Insurance Benefits |
| DICARS | Disability Case Adjudication and Review System |
| DLI | Date Last Insured |
| DM | Direct Mail |
| DM | Divisor Months |
| DMA | Document Management Architecture |
| DMAX | Disability Family Maximum |
| DMF | Death Master File |
| DNH | Deceased Number Holder |
| DO | District Office |
| DOB | Date of Birth |
| DOC | Data Operations Center |
| DOD | Department of Defense |
| DOE | Department of Energy |
| DOEd | Department of Education |
| DOF | Date of Filing |
| DOFA | District Office Final Authorization |
| DOI | Department of the Interior |
| DOJ | Department of Justice |
| DOL | Department of Labor |
| DOST | Date of Suspension Termination |
| DOT | Department of Transportation |
| DP | Diplomatic posts (includes Embassies and consulates) |
| DPN | Disability Program Navigator |
| DQB | Disability Qualty Branch |
| DRC | Delayed Retirement Credit |
| DRS | Disability Review Section |
| DT | Department of Treasury |
| DUMAS | Daily Update Master Accounting System |
| DVA (VA) | Department of Veterans Affairs |
| DWB | Disabled Widow(er)'s Benefits |
E-F
| EA | Exempt Amount |
| EARN | Employer Assistance Referral Network |
| EC | Modernized Claim System Earnings Computation |
| EDCS | Electronic Disability Collect System |
| eDG | Electronic Disability Guide |
| eDIB | Electronic Disability |
| EE | Excess Earnings |
| EEO | Equal Employment Opportunity |
| EEOC | Equal Employment Opportunity Commission |
| EES | Employment and Employer Services (one of the case study ENs) |
| EF | Electronic Folder |
| EFI | Electronic Folder Interface |
| EFOIA | Electronic Freedom of Information Act |
| EFT | Electronic Fund Transfers |
| EIN | Employer Identification Number |
| EITC | Earned Income Tax Credit |
| EM | Emergency Message |
| EN | Employment Network |
| EPE | Extended Period of Eligibility |
| ER | Earning Record |
| ERB | Employer Reporting Branch |
| ERE | Electronic Records Express |
| ERSEI | Earnings Recording and Self-Employment Income |
| ES | Executive Staff |
| ESF | Earnings Suspense File |
| ESLO | Employer Service Liaison Officer |
| ESR | Extended Support Representative |
| ESRD | End-Stage Renal Disease |
| ET | Earnings Test |
| EVS | Employee Verification Services |
| EXR | Expedited Reinstatement |
| FAQ | Frequently Asked Questions |
| FAS | Financial Accounting System |
| FBR | Federal Benefit Rate |
| FCER | Full Claims Earnings Record |
| FCMHSA | Federal Coal Mine Health and Safety Act of 1969 |
| FDD | Foreign Direct Deposit |
| FDDS | Federal Disability Determination Services |
| FECA | Federal Employees' Compensation Act |
| FECS | Front End Capture System |
| FEHBP | Federal Employees Health Benefit Plan |
| FERS | Federal Employees' Retirement System |
| FICA | Federal Insurance Contributions Act |
| FICA | Federal Insurance Contributions Act |
| FISMA | Federal Information Security Management Act of 2002 |
| FMAX | Family Maximum |
| FNS | Food and Nutrition Service (USDA) |
| FO | Field Office |
| FOI | Freedom of Information |
| FOIA | Freedom of Information Act (5 U.S.C. 552) |
| FPL | Federal Poverty Level |
| FPLS | Federal Parent Locator Service |
| FRA | Full Retirement Age |
| FRBNY | Federal Reserve Bank of New York |
| FRC | Federal Records Center |
| FSF | Folder Staging Facility |
| FSP | Foreign Service Post |
| FTE | Fulltime Equivalent |
| FTS | Federal Telecommunications System |
| FY | Fiscal Year |
| FZ | Freeze Only |
G-J
| GAO | Government Accountability Office |
| GARN | Garnishments |
| GC | General Counsel |
| GOALS | Government On- Line Accounting System |
| GPO | Government Printing Office |
| GPO | Government Pension Offset |
| GPRA | Government Performance and Results Act |
| GRH | Graham-Rudman-Hollings amendment |
| GS | General Schedule |
| GSA | General Services Administration |
| GY | Grace Year |
| HALLEX | Hearings, Appeals Law Litigation |
| HCFA | Health Care Financing Administration |
| HCK | Hold Check- A hold placed in the system for payments not due. |
| HHS | Health and Human Services |
| HI | Health Insurance |
| HI | Hospital Insurance |
| HIV | Human immunodeficiency virus |
| HO | Hearing Office |
| HOPE | Homeless Outreach Projects and Evaluation |
| HUD | Department of Housing and Urban Development |
| I&R | Income and Resources |
| IA | Independence Account |
| IAA | Interagency Agreement |
| IADL | Instrumental activities of daily living |
| IAR | Interim Assistance Reimbursement |
| IAR | Interim Assistance Agreement |
| IASMI | Indexes of Administrative Staff Manuals and Instructions |
| IC | Identity card |
| ICF | Interactive Computation Facility |
| IDA | Individual Development Account |
| IDMS | Integrated Disability Management System |
| IDR | Integrated Disability Resources (one of the case study ENs) |
| IDR | Internet Disability Report |
| IEDS | Independently entitled divorced spouse |
| IEIE | Earned Income Exclusion |
| IFPTE | International Federation of Professional and Technical Engineers |
| IFR | Interim Final Rule |
| IG | Inspector General |
| IIHI | Individually Identifiable Health Information |
| INA | Immigration and Nationality Act |
| INS | Immigration and Naturalization Service |
| INTPSC | International Program Service Center |
| IPE | Individualized Plan for Employment |
| IRC | Internal Revenue Code (Title 26, U.S.C.) |
| IRCA | Immigration Reform and Control Act |
| IRCS | Incarceration Report Control System |
| IRD | Interim Review Draft |
| IRES | Integrated Registration Services |
| IRMAA | Income-Related Monthly Adjustment Amount |
| IRMAA-D | Income-Related Monthly Adjustment Amount for prescription drug coverage |
| IRS | Internal Revenue Service |
| IRWE | Impairment-Related Work Expenses |
| ITAB | Information Technology Advisory Board |
| IU | Internet User |
| IVT | Interactive Video Training |
| IWAG | Income/Wages |
| IWMS | Integrated Workload Management System |
| IWP | Individual Work Plan |
| IWRP | Individual Written Rehabilitation Program |
| JWOD | Javits Wagner O’Day program |
K-N
| KBA | Knowledge-Based Authentication |
| LAE | Limitation on Administrative Expenses |
| LAN | Local Access Network |
| LAPR | Lawfully Admitted for Permanent Residence |
| LCE | Life Changing Event |
| LDW | Left Due to Work |
| LIEAP | Low-Income Energy Assistance Program |
| LS | Litigation Staff |
| LSDP | Lump Sum Death Payment |
| MAC | Medicare Appeals Council in HHS |
| MADCAP | Manual Adjustment, Credit and Award Processes |
| MAGI | Modified Adjusted Gross Income |
| MA-PD | Medicare Advantage Plan with prescription drug coverage |
| MAR | Money Amount of Reduction |
| MBA | Monthly Benefit Amount |
| MBC | Monthly Benefit Credited |
| MBP | Monthly Benefit Payable |
| MBR | Master Beneficiary Record |
| MCDR | CDR Suspension |
| MCS | Modernized Claim System |
| MDF | Modular Disability Folder |
| MDF | Modular Disability Folder |
| MDW | Modernized Development Worksheet |
| MEF | Master Earnings File |
| MER | Medical Evidence of Record |
| MET | Monthly Earnings Test |
| MFA | Ministry of Foreign Affairs |
| MFB | Maximum Family Benefit |
| MI | Ministry of the Interior |
| MIE | Medical improvement expected (as determined by SSA) |
| MIRS | Medical Improvement Review Standard |
| MISCOR | Miscellaneous Correction Program |
| MJ | Ministry of Justice |
| MOE | Month of Entitlement |
| MOE | Month of Election |
| MOET | Month of Entitlement |
| MOU | Memorandum of Understanding |
| MPR | Mathematica Policy Research |
| MQGE | Medicare for Qualified Government Employees |
| MRCS | Misuse Restitution Control System |
| MRPF | Master Representative Payee File |
| MRTW | Modernized Return to Work software |
| MSSICS | Modernized Supplemental Security Income Claims System |
| MSSR | Minimum Sole Survivor Rate |
| NAPAS | National Association of Protection and Advocacy Systems |
| NARA | National Archives and Records Administration |
| NASI | National Academy of Social Insurance |
| NBS | National Beneficiary Survey |
| NC | Naturalization certificate |
| NCC | National Computer Center |
| NE | Net Earnings |
| NEXMAR | New Excess Money Amount of Reduction |
| NH | Number holder (person assigned a particular social security number) |
| NMAR | New Money Amount of Reduction |
| NMBA | New Monthly Benefit Amount |
| NOP | Number of Payments |
| NPIA | New Primary Insurance Amount |
| NPRM | Notice of proposed rule making |
| NS | New Start |
| NS | Non-Service Month |
| NTEU | National Treasury Employees Union |
| NTSC | Notice to Show Cause |
| NUMIDENT | Numerical Identification |
| NUR | New Unreduced Rate |
| NUREX | New Unreduced Excess |
O
| O/P | Overpayment |
| OACT | Office of the Actuary |
| OACT | Office of the Chief Actuary |
| OAG | Office of Acquisitions and Grants |
| OAO | Office of Appeals Operations |
| OAPQ | Office of Assistance Program Quality |
| OARF | Original Additional Reduction Factor |
| OASDI | Old-Age, Survivor's and Disability Insurance |
| OASI | Old-Age and Survivor's Insurance |
| OB | Original Benefit |
| OB | Office of Budget |
| OC | Office of the Commissioner |
| OCO | Office of Central Operations |
| OCPR | Office of Claims and Payment Requirements |
| OCREO | Office of Civil Rights and Equal Opportunity |
| OCRO | Office of Central Records Operations |
| OCSE | Office of Child Support Enforcement |
| OD | Office of Disability |
| ODAR | Office of Disability Adjudication and Review |
| ODCP | Office of the Deputy Commissioner for Programs |
| ODD | Office of Disability Determinations |
| ODIO | Office of Disability and International Operations |
| ODO | Office of Disability Operations |
| ODP | Office of Disability Programs |
| ODP | Office of Disclosure Policy |
| OEO | Office of Earnings Operations |
| OESP | Office of Employment Support Programs |
| OFin | Office of Finance |
| OFM | Office of Financial Management |
| OFO | Office of Financial Operations |
| OFPO | Office of Financial Policy and Operations |
| OFPSD | Office of Financial Policy and Systems Design |
| OGC | Office of the General Counsel |
| OHA | Office of Hearings and Appeals |
| OIG | Office of the Inspector General |
| OIM | Office of Information Management |
| OLCA | Office of Legislation and Congressional Affairs |
| OM | Office of Management |
| OMB | Office of Management and Budget |
| OMHA | Office of Medicare Hearings and Appeals in HHS |
| OMPI | Office of Operations Management and Program Integration |
| OP | Office of Policy |
| OpB | Operations Bulletin |
| OPE | Office of Personnel |
| OPI | Office of Public Inquiries |
| OPIR | Office of Program and Integrity Reviews |
| OPIRQS | Office of Program and Integrity Quality Review Specialists |
| OPIRSOS | Office of Program and Integrity Satellite Office Specialists |
| OPLM | Office of Publications and Logistics Management |
| OPM | Office of Personnel Management |
| OPR | Office of Pre-Claims Requirements |
| OQA | Office of Quality Assurance and Performance Assessment |
| ORC | Office of the Regional Commissioner |
| ORDP | Office of Retirement and Disability Policy |
| ORF | Original Reduction Factor |
| ORS | Office of Research and Statistics |
| ORSI | Office of Retirement and Survivors Insurance |
| ORSIS | Office of Retirement and Survivor Insurance Systems |
| OS | Office of Systems |
| OS | Old Start |
| OSDD | Office of Systems Design and Development |
| OSM | Operations Support Manager |
| OSO | Office of Systems Operations |
| OSPI | Office of Strategic Planning and Integration |
| OSR | Office of Systems Requirements |
| OSSI | Office of Supplemental Security Income |
| OT | Overtime |
| OTA | Office of Tax Analysis |
P-Q
| P&A | Protection and Advocacy System |
| PA | Privacy Act (5 U.S.C. 552a) |
| PABSS | Protection and Advocacy to Beneficiaries of Social Security |
| PAR | Performance and Accountability Report |
| PASS | Plan for Achieving Self-Support |
| PC | Processing Center |
| PC | Program Circular |
| PCCDR | Personal Computer Continuing Disability Review |
| PC- | CDR Personal Computer Continuing Disability Review software |
| PCI | Payment Cycle Intercepts |
| PCOM | Personal Communications program |
| PD | Presumptive Disability |
| P-D | Disability determination for parent-child filing on earnings record of grandparent (DIB NH) |
| PDM | Permanent Deduction Month |
| PDP | Prescription Drug Plan |
| PEBES | Personal Earnings and Benefit Estimate Statement |
| PEPPER | Post-Entitlement Premium Payment and Enrollment |
| PESS | Property Essential for Self-Support |
| PHS | Public Health Service |
| PIA | Primary Insurance Amount |
| PIB | Primary Insurance Benefit |
| PIFC | Primary Insurance Amount Factor Code |
| PII | Personally Identifiable Information |
| PIN | Personal Identification Number |
| PL | Public Law |
| PLS | Parent Locator Service |
| PM | Predictive Model |
| PM | Program Manager |
| PM | Per Month |
| PMA | Prior Month Accrual |
| PMRO | Program Manager for Recruitment and Outreach |
| PMRS | Performance Management and Recognition System |
| POMS | Program Operations Manual System |
| POS | Program Operations and Systems |
| POTUS | President of the United States |
| POW | Prisoner of War |
| P-R | Disability determination for parent-child filing on earnings record of grandparent (RSI NH) |
| PRO | Peer Review Organization |
| PSC | Program Service Center |
| PSRO | Professional Standards Review Organization |
| PSU | Primary sampling unit |
| PUPS | Prisoner Update Processing System |
| PY | Premium Year |
| PY | Per Year |
| QA | Quality Assurance |
| QC | Quarter of Coverage |
| QDD | Quick Disability Determination |
R-S
| RC | Registration certificate |
| RC | Regional Commissioner |
| RC | ALJ Regional Chief Administrative Law Judge |
| RCO | Report Clearance Officer |
| RCT | Report Clearance Team |
| RD | End Stage Renal Disease - Claimant receiving monthly benefits on own SSN or not receiving monthly benefits |
| RD-D | End Stage Renal Disease - Claimant receiving auxiliary benefits on the SSN of a spouse or parent entitled to DIB |
| RD-R | End Stage Renal Disease - Claimant receiving RSI benefits on spouse's or parent's SSN |
| REG TRAN | Regular Transcript - Monthly Update Master Beneficiary Record Merge (MUMBRMRG) |
| REVTER | Reversal of Termination |
| RF | Reduction Factor |
| RFC | Regional Finance Center |
| RFPA | Right to Financial Privacy Act of 1978 |
| RH | Request for Hearing |
| RIB | Retirement Insurance Benefits |
| RIF | Reduction In Force |
| RIS | Redetermination Information System |
| RMA | Referral and Monitoring Agency |
| RO | Regional Office |
| ROAR | Recovery of Overpayments, Accounting and Reporting |
| ROC | Record of Change |
| RP | Representative Payee |
| RPS | Representative Payee System |
| RRB | Railroad Retirement Board |
| RSA | Rehabilitation Services Administration |
| RSDI | Retirement and Survivors Disability Insurance |
| RSI | Retirement and Survivors Insurance |
| RTC | Regional Ticket Coordinator |
| RUIA | Railroad Unemployment Insurance Act |
| RUSB | Records Use and Services Branch |
| SAW | Special Agricultural Worker |
| SBA | Small Business Administration |
| SCMAX | Saving Clause Maximum |
| SCS | Sensitive Case Staff |
| SDR | Structured Data Repository |
| SDU | State Disbursement Units |
| SDW | Special Disability Workload |
| SDX | State Data Exchange |
| SE | Self Employment |
| SEI | Self Employment Income |
| SEIE | Student Earned Income Exclusion |
| SEQY | Summary Earnings Query |
| SER | Summary Earnings Record |
| SGA | Substantial Gainful Activity |
| SMI | Supplementary Medical Insurance |
| SOBER | Separate Operation for Billing Entitlement and Remittances |
| SOC | Sub Object Classification |
| SOLQ | State Online Query |
| SP | Special Payment |
| SPA | Special Payment Amount |
| SPI | State Partnership Initiative |
| SPS | Single Payment System - DT Financial Management System |
| SPW | State Partnership Waiver |
| SRBI | Schulman, Ronca and Bucuvalas, Inc. |
| SRF | Source Reference File |
| SS | Substantial Services |
| SSA | Social Security Administration |
| SSAB | Social Security Advisory Board |
| SSDI | Social Security Disability Insurance |
| SSI | Supplemental Security Income (Title XVI of the Social Security Act) |
| SSN | Social Security Number |
| SSR | Supplemental Security Record |
| SVB | Special Veterans’ Benefits |
| SVES | State Verification Exchange System |
| SVRA | State Vocational Rehabilitation Agency |
| SWP | Special Wage Payment |
T-Z
| TANF | Temporary Assistance For Needy Families |
| TIN | Tax identification number |
| TN | Transmittal Notice |
| TPQY | Third Party Query System |
| TPS | Temporary Protected Status |
| TRF | Ticket Research File |
| TSC | Teleservice Center |
| TSO | Time Share Option |
| TSP | Thrift Savings Plan |
| TSPS | Treasury’s Secure Payment Systems |
| TT | Teletype |
| TTH | Ticket to Hire |
| TTPI | Trust Territory of the Pacific Islands |
| TTW | Ticket to Work |
| TWP | Trial Work Period |
| TWP | Trial Work Period |
| TY | Taxable Year |
| U/P | Underpayment |
| UC | Unemployment compensation |
| UIRWA | Unearned Income Exclusion |
| USC | United States Code |
| USCIS | United States Citizenship and Immigration Services |
| USDA | U.S. Department of Agriculture |
| USPS | U.S. Postal Service |
| UWA | Unsuccessful Work Attempt |
| VA | Department of Veterans Affairs |
| VEMASS | Vocational Consultant/Medical Advisor Services Staff |
| VR | Vocational Rehabilitation |
| VRRMS | Vocational rehabilitation Reimbursement Management System |
| W/E | Wage Earner |
| WBDOC | Wilkes-Barre Data Operations Center |
| WC | Workers" compensation |
| WC/PDB | PDB Workers' Compensation/Public Disability Benefit |
| WEP | Windfall Elimination Provision |
| WIA | Workforce Improvement Act |
| WIAP | Ticket to Work and Work Incentives Advisory Panel |
| WIB | Widow(er)'s Insurance Benefit |
| WIL | Work incentive liaison |
| WINDEX | Widow(er)'s Indexing |
| WIPA | Work Incentives Planning and Assistance |
| WISE | Work Incentives Seminar Events |
| WNRC | Washington National Records Center |
| YOC | Year of Coverage |