LibGuides: GovSpeak: A Guide to U.S. Government Acronyms & Abbreviations: T

T2C	Technology Transfer and Commercialization Program
T3CO	Transportation Technology Total Cost of Ownership
T4PA Center	Title IV-A Technical Assistance Center
T&E	Threatened and Endangered
TA	Technology Administration (defunct)
TAA	Trade Adjustment Assistance Program
TAACCCT	Trade Adjustment Assistance Community College and Career Training
TAAF	Trade Adjustment Assistance for Firms
TAAMS	Trust Asset and Accounting Management System
TAATC	Division of Trade Agreement Administration and Technical Cooperation (unable to verify 5/14)
TABSS	Technical, Acquisition and Business Support Services (changed to Professional & Office Area Support Services)
TAC	Technical Assistance Center \| Trademark Assistance Center \| Tribal Advisory Committee
TACCIMO	Template for Assessing Climate Change Impacts and Management Options
TACP	Transformative Aeronautics Concept Program
TACT	Ticketing Aggressive Cars and Trucks Program
TAD	Tax Audit Division \| Tidal Analysis Datum Calculator \| Toolsets for Airborne Data (decommissioned ~9/20)
TAF	Transformed Medicaid Statistical Information System (T-MSIS) Analytic Files
TAG	Adolescent Health: Think, Act, Grow (unable to verify 9/20)
TAGA	Trace Atmospheric Gas Analyzer
TAGGS	Tracking Accountability in Government Grants System
TAK	Team Awareness Kit
TALF	Term Asset-Backed Securities Loan Facility
TALIS	Teaching and Learning International Survey
TAM	Transit Asset Management
TAMB	Translational Addiction Medicine Branch
TAME	Tagged Animal Movement Explorer

TANC	Office of Trade Agreements Negotiations and Compliance
TANF	Temporary Assistance for Needy Families
TAO	Tropical Atmosphere Ocean project
TAOS	Trajectory Analysis and Optimization Software
TAP	Technology Assessment Program \| Trajectory Analysis Planner \| Transition Assistance Program \| Transportation Alternatives Program \| Tree Assistance Program \| Tribal Access Program \| Tribal Action Plan
TAPD	Telecommunications Access Policy Division
TAPEC	Tool for Assessing Pilot Electronic Censuses
TAPS	Transportation and Power Systems
TAR	Tranportation Acquisition Regulation
TARGET	Technology & Accessible Resources Give Employment Today Center \| Therapeutically Applicable Research to Generate Effective Treatments
TARP	Troubled Asset Relief Program
TARS	Tropical Agriculture Research Station
TAS	Taxpayer Advocate Service \| Teacher at Sea Program \| Treatment as a State
TASC	Technical Assistance for Specialty Crops \| Tool for Assessing Statistical Capacity
TATA	Office of Tariff Affairs and Trade Agreements
TATFAR	Transatlantic Taskforce on Antimicrobial Resistance
TAVISS	Targeted Violence Information Sharing System
TB	Division of Tuberculosis Elimination
TBAC	Tribal Budget Advisory Council (changed to TIBC)
TBCC	Trust Beneficiary Call Center (unable to verify 4/24)
TBCP	Tribal Broadband Connectivity Program
TBDWG	Tick-Borne Disease Working Group
TBESC	Tuberculosis Epidemiologic Studies Consortium
TB GIMS	TB [Tuberculosis] Genotyping Information Management System
TBHCE	Telebehavioral Health Center of Excellence
TBI/TSR	Traumatic Brain Injury and Stroke Rehabilitation Program (unable to verify 8/17)
TBMP	Trademark Trial and Appeal Board Manual of Procedure
TBMPP	Treasury Bank Mentor-Protégé Program
TBQ	Territory & States Beneficiary Query File
TBS	Transborder Security Center
TBTC	Tuberculosis Trials Consortium

TC	Tropospheric Chemistry \| William J. Hughes Technical Center
TCAC	Tribal Consultation Advisory Committee (changed to TAC)
TCAP	Tribal Courts Assistance Program (unable to verify 12/18)
TCB	Telecommunications Certification Bodies System \| Trade Capacity Building (unable to verify 2/25)
TCC	Trade Compliance Center (changed to TANC) \| Tree Canopy Cover
TCCC	Transportation and Climate Change Clearinghouse (unable to verify 12/18)
TCCLA	Tribal Civil and Criminal Legal Assistance
TCCP	Terms of Credit Card Plans Survey
TCCPRU	Tropical Crop and Commodity Protection Research
TCDB	Technology Cost Database for Renewables (replaced by ATB) \| Transparent Cost Database
TCDS	Type Certificate Data Sheets
TCE	Tax Counseling for the Elderly Program
TCEG	Tribal Colleges Education Equity Grants Program
TCEO	Training and Continuing Education Online
TC Explorer	Transportation Community Explorer (see also, info page archived 1/25)
TCF	Technology Commercialization Fund
TCFP	Tropical Cyclone Formation Probability
TCGA	The Cancer Genome Atlas
TCGM	Thriving Communities Grantmaking Program
TCH	Think Cultural Health
TCIA	The Cancer Imaging Archive
TCIS	Treasury Check Information System
TCIU	Transnational Criminal Investigative Unit
TCLI	Teacher Cancellation Low Income
TCLP	Teachers of Critical Languages Program
TCMM	Treasury Collateral Management and Monitoring
TCNS	Tower Construction Notification System
TCP	Technology Collaboration Program \| Thriving Communities Program \| Tropospheric Chemistry Program
TCPCTIP	Tribally Controlled Postsecondary Career and Technical Education Program
TCR	Branch of Tribal Climate Resilience \| Technology Clearinghouse (changed to R-Tech)
TCRB	Tobacco Control Research Branch
TCRP	Tribal Climate Resilience Program (changed to TCR; earlier, changed to TRP, then back to TCRP)
TCS	Trade and Cargo Security
TCSIRC	Treasury Computer Security Incident Response Capability
TCTAC	Thriving Communities Technical Assistance Centers Program
TCVS	Treasury Check Verification System

TDA	Trade and Development Agency (see USTDA)
TDAT	Tribal Directory Assessment Tool
TDB	Drinking Water Treatability Database
TDE	Terrestrial Dryland Ecology Branch (changed to Dryland Ecology and Management Support)
TDHE	Tribally Designated Housing Entities
TDIE-IWG	Transportation, Distribution, Infrastructure, and End Use Interagency Working Group
TDIS	Travel Document Issuance System (pdf)
TDM	Technology Demonstration Missions
TDP	Technology and Digital Platforms Section
TDRP	Trans-Divisional Research Program
TDRS	Tracking and Data Relay Satellite
TDS	Total Diet Study
TDT	Technology Development and Transfer
TDY	Temporary Duty
TE	Technology Engagement Division (unable to verfiy 2/25)
TEA	Transportation, Energy, and Agriculture Section \| Type of Enumeration Area
TEACH	Teacher Education Assistance for College and Higher Education Grant Program
TEAM	Travel Efficiency Assessment Method
TEAMS	Transition Employment Assistance for Military Spouses and Caregivers \| Trial Ecosystems for the Advancement of Microbiome Science
TeamSTEPPS	Team Strategies and Tools to Enhance Performance and Patient Safety
TEAPOTS	Title Eight Automated Paperless Office Tracking System (replaced by HEMS)

TEAS	Trademark Electronic Application System
TEC	Tribal Epidemiology Center
TechFAR	Technology Federal Acquistion Regulation
TECPHI	Tribal Epidemiology Centers Public Health Infrastructure
TED	Test and Evaluation Division \| The Economics Daily \| Transportation Economics Division
TEDAC	Terrorist Explosive Device Analytical Center
TEDB	Transportation Energy Data Book
TEDC	Tribal Energy Development Capacity
TEDS	National Standards on Transport, Escort, Detention, and Search \| Train Energy and Dynamics Simulator \| Treatment Episode Data Set
TEEIC	Tribal Energy and Environmental Information Clearinghouse (unable to verify 8/18)
TEFAP	The Emergency Food Assistance Program
TEFCA	Trusted Exchange Framework and Common Agreement
TEHIP	Toxicology and Environmental Health Information Program (unable to verify 12/19)
TEI-REX	Targeted Evaluation of Ionizing Radiation Exposure Program
TEK	Traditional Ecological Knowledge
TEKTRAN	Technology Transfer Automated Retrieval System (changed to Scientific Manuscript Database)
TEL	Terrorist Exclusion List
TELGP	Tribal Energy Loan Guarantee Program
TELI	Tribal Early Learning Initiative
TEMPO	Transportation Energy & Mobility Pathway Options \| Tropospheric Emissions: Monitoring of Pollution
TEOAF	Treasury Executive Office for Asset Forfeiture
TEP	Tribal Electrification Program
TEPEX	Tropical Pacific Observing System (TPOS) Equatorial Pacific Experiment
TERC	Threat Evaluation and Reporting Course
TERO	Threat Evaluation and Reporting Overview \| Tribal Employment Rights Offices
TES	Office of Trade and Economic Security \| Terrestrial Ecosystem Science Program (changed to/replaced by ESS)
TESS	Trademark Electronic Search System (retired 11/23, replaced by Trademark Search) \| Transiting Exoplanet Survey Satellite
TEST	This is a Test
TESViS	Terrestrial Ecology Subsetting and Visualization Services
TET	Transportation Economic Trends
TEU	Trace Evidence Unit (unable to verify 9/22)
TEUI	Terrestrial Ecological Unit Inventory
TextMD	Technical Metadata for Text

TFAA	Trade and Foreign Agricultural Affairs
TFAS	Trust Fund Accounting System (unable to verify 2/21)
TFCS	Trade Facilitation and Cargo Security (changed to TCS 3/25)
TFDM	Terminal Flight Data Manager
T-FERST	Tribal-Focused Environmental Risk and Sustainability Tool (requires login 12/19)
TFF	Transmission Facility Financing Program \| Treasury Forfeiture Fund \| Treasury Franchise Fund
TFFC	Office of Terrorist Financing and Financial Crimes
TFFIP	Tracy Fish Facility Improvement Program
TFGB	Translational and Functional Genomics Branch
TFH	TechFar Hub
TFHRC	Turner-Fairbank Highway Research Center
TFI	Office of Terrorism and Financial Intelligence
TFM	Treasury Financial Manual
TFMC	Tribal Financial Management Center
TFMICF	Task Force on Market Integrity and Consumer Fraud (unable to verify / website archived 1/22)
TFP	Thrifty Food Plan \| Transmission Facilitation Program
TFR	Temporary Flight Restriction
TFS	Counter Threat Finance and Sanctions Division \| Teacher Follow-Up Survey
TFSSP	Twelve-Five Standard Security Program
TFS/SPI	Office of Economic Sanctions Policy and Implementation
TFS/TFC	Office of Threat Finance Countermeasures
TFTP	Terrorist Finance Tracking Program
TFW	Trash Free Waters
TFX	Treasury Financial Experience
TGA	Treasury General Account
TGDC	Technical Guidelines Development Committee
TGO	Trace Gas Orbiter
TGS	Traveler-based Genomic Surveillance
THEA	Transplantation of Human Eye Allografts program
THEMIS	Time History of Events and Macroscale Interactions during Substorms
THP	Territorial Highway Program
THPO	Tribal Historic Preservation Offices
THREDDS	Thematic Real-time Environmental Distributed Data Services
T.H.R.I.V.E.	Train. Hope. Rise. Innovate. Venture. Elevate
THRIVE	Targeted Highly-Effective Interventions to Reverse the HIV Epidemic (ceased 2020)
THRO	Tribal Health Research Office
THRU	Technical Hazards Response Unit (unable to verify 9/22)
THSAC	Tribal Homeland Security Advisory Council (page archived 1/25)
THSRB	Treatment, Health Services, and Recovery Branch
THT	Transportation and Health Tool
TIAG	Tribal Issues Advisory Group
TIAS	Treaties and International Acts Series
TIAT	Transportation Insecurity Analysis Tool (see also, info page archived 1/25)

TIBC	Tribal/Interior Budget Council
TIC	Technical Information Center \| Trade Information Center (merged with Export.gov; changed to Export Solutions) \| Treasury International Capital System \| Trusted Internet Connections
TIC Task Force	Interagency Task Force on Trauma-Informed Care
TickNET	Tick-Borne Diseases Network
TID	Trade Investigations Division
TiDHE	Training, Diversity and Health Equity Office (unable to verify 1/25)
TIEAs	Tax Information Exchange Agreements
TIEH	Treatment for Individuals Experiencing Homelessness
TIFSD	Technology Innovation and Field Services Division (unable to verify 12/15)
TIG	Technology Initiative Grant \| Trusted Identities Group
TIGER	Topologically Integrated Geographic Encoding and Referencing \| Transportation Investment Generating Economic Recovery (replaced by BUILD 4/18)
TIGGER	Transit Investments in Greenhouse Gas and Energy Reduction
TIGTA	Treasury Inspector General for Tax Administration
TIMED	Thermosphere Ionosphere Mesosphere Energetics and Dynamics
TIML	Treatment and Inspection Methods Laboratory
TIMS	Technical Information Management System
TIMSS	Trends in International Mathematics and Science Study
TIP	Technology, Innovation and Partnerships \| Technology Innovation Program \| Transition Incentives Program \| Transmission Infrastructure Program \| Traumatic Injury Prevention Program
TIP Office	Office to Monitor and Combat Trafficking in Persons

TIPCAP	Tribal Injury Prevention Cooperative Agreement Program
TIPS	SmartWay Trends, Indicators, and Partner Statistics \| Technical Innovation and Professional Services \| Terrorism Information and Prevention System (defunct; see Senate hearing) \| Treasury Inflation-Protected Securities
TIRC	Toxicology Information Response Center (unable to verify 3/12)
TIS	Travelers' Information Station
TJS	Tribal Justice Support Directorate
TJSIP	Tribal Justice Systems Infrastructure Program
TJSO	Thomas Jefferson Site Office
TLC	Office of the Tax Legislative Counsel
TLD	Tribal Leaders Directory
TLDC	Tribal Leaders Diabetes Committee
TLF	Teacher Loan Forgiveness Program
TLOA	Tribal Law and Order Act
TLP	Transitional Living Program for Older Homeless Youth
TLR	Theft/Loss Reporting
TLTF	Truck Leasing Task Force
TMAC	Technical Mapping Advisory Council
TMaH	Transforming Maternal Health
TMAS	Travel Monitoring Analysis System
TMC	The Mentoring Connection (unable to verify 10/13) \| Transportation Management Center
TMDLs	Total Maximum Daily Loads
TMEP	Trademark Manual of Examining Procedure
TMF	Technology Modernization Fund
TMG	Traffic Monitoring Guide \| Tribal Management Grant
TMIECHV	Tribal Maternal, Infant, and Early Childhood Home Visiting program
TMIP	Transportation Model Improvement Program
TMOG	Trademark Official Gazette
TMP	Technology Maturation Program
T-MSIS	Transformed Medicaid Statistical Information System

TNM	The National Map
TOC	Telecommunication Operations Center \| Transportation Operations Center
TOCMC	Transnational Organized Crime Mission Center (changed to TBS)
TOD	Transit-Oriented Development
TOLNet	Tropospheric Ozone Lidar Network
TOMS-EP	Total Ozone Mapping Spectrometer-Earth Probe
TOP	Technology Opportunities Program (changed to BTOP) \| Treasury Offset Program
TOPP	Transition to Organic Partnership Program
TOPS	Transform to Open Science (unable to verify 1/25)
TOR	Tropospheric Ozone Residual
TORUS	Targeted Observation by Radars and UAS of Supercells
ToT	Tool of Tools
TOTAL	Technology Open To Approved Lenders \| Tenure, Ownership, and Transition of Agricultural Land
TOX21	Toxicology Testing in the 21st Century
ToxCast	Toxicity ForeCaster
TPA	Trade Promotion Authority
TPAC	Trademark Public Advisory Committee
TPC	Tourism Policy Council
TPCC	Trade Promotion Coordinating Committee
TPEP	Timber Production Expansion Guaranteed Loan Program
TPFS	Transportation Public Finance Statistics
TPG	Training Project Grants
TPGRDRU	Tropical Plant Genetic Resources and Disease Research Unit
TPIO	Technology, Planning and Integration for Observation (unable to verify 1/22)
TPIS	Trade Policy Information System (public access retired 5/22)
TPLC	Total Product Life Cycle
TPLD	Technology Programs Law Division
TPM	Transportation Performance Management
TPN	Trade Policy and Negotiations
TPO	Technology Partnerships Office (NIST) \| Technology Partnerships Office (NOAA) \| Timber Products Output
TPOPS	Telephone Point of Purchase Survey (unable to verify BLS site 3/20; see alternate Census site)
TPP	Target Product Profiles \| Teen Pregnancy Prevention Program \| Trade Policy and Programs (changed to TPN) \| Trans-Pacific Partnership
TPS	Teaching with Primary Sources \| Technical Preservation Services \| Temporary Protected Status
TPSAC	Tobacco Products Scientific Advisory Committee
TPSID	Transition and Postsecondary Programs for Students with Intellectual Disabilities
TPVs	Tenant Protection Vouchers (unable to verify 4/25)
TPWIC	Tribal Practices for Wellness in Indian Country

TQP	Teacher Quality Partnership
TRA	Division for Transportation Affairs
TRA/AN	Office of Aviation Negotiations
TRACC	Transportation Research And Analysis Computing Center (unable to verify 4/25; see external wiki)
TRACER	Trace Radioisotope Analysis Center
TRACIE	Technical Resources Assistance Center and Information Exchange
TRACS	Tenant Rental Assistance Certification System \| Tracking and Reporting Accomplishments for the Conservation of Species \| Trail Assessments and Condition Surveys \| Transportation Cost System
TraCSS	Traffic Coordination System for Space
TRACT	Targeted Resource Acquisition Comparison Tool (unable to verify 2/25)
TRAD	Tribal Resilience Action Database
TRAILS	Trail Routing, Analysis, and Information Linkage System
TRAINS	Testing Risks of AI for National Security
TrAMS	Transit Award Management System
TRANSCEND	Transgender Status-Neutral Community to Clinic Models to End the HIV Epidemic (unable to verify 1/25))
TRAO	Trade Remedy Assistance Office
TRA/OTP	Office of Transportation Policy
TRAVL	Transportation Analysis and Visualization Laboratory
TRCC	Traffic Records Coordinating Committee
TRDS	Travel Record Data Service
TREAS	Department of the Treasury
TREAT	Transient Reactor Test Facility
TREND	Transparent Reporting of Evaluations with Nonrandomized Designs (unable to verify 1/25)
TRI	Toxics Release Inventory
Tribal PREP	Tribal Personal Responsibility Education Program
TRI-CHIP	TRI (Toxics Release Inventory)-Chemical Hazard Information Profiles
TRIG	Terrorism-Related Inadmissibility Grounds
TRIM	Total Risk Integrated Methodology
TRIM.Expo	Total Risk Integrated Methodology - exposure event module
TRIM.FaTE	Total Risk Integrated Methodology - fate, transport and ecological exposure module
TRIM.Risk	Total Risk Integrated Methodology - risk characterization module
TRiP	Tools Resources & Publications (unable to verify 1/25)
TRIP	Terrorism Risk Insurance Program
TRIPS	Trade-Related Aspects of Intellectual Property Rights
TRIPwire	Technical Resource for Incident Prevention
TRLs	Technology Readiness Levels
TRMM	Tropical Rainfall Measuring Mission
TRN	Tenant Resource Network Program (unable to verify 4/25)
TrojAI	Trojans in Artificial Intelligence
TROPICS	Time-Resolved Observations of Precipitation structure and storm Intensity with a Constellation of Smallsats
TROR	Treasury Report on Receivables

TRP	Therapeutics Research Program \| Translational Research Program \| Tribal Climate Resilience Program (reverted back to TCRP)
TRRG	Tribal Resilience Resource Guide
TRS	Telecommunications Relay Service
TRSRB	Treatment and Recovery Services Research Branch
TRTW	Training for Realtime Writers (defunded)
TS	Terminology Services
TSA	Teacher Shortage Areas \| Transitional Sheltering Assistance (unable to verify 8/20) \| Transportation Security Administration
TSAR	Transportation Statistics Annual Report
TSB	Thoracic Surgery Branch
TSC	Technical Service Center \| Terrorist Screening Center
TSCD	Technical Support Coordination Division
TSD	Transportation Services Division
TSDB	Terrorist Screening Database
TSDC	Transportation Secure Data Center
TSDFs	Treatment, Storage, and Disposal Facilities
TSDR	Trademark Status and Document Retrieval
TSDS	Terrorist Screening Dataset
TSE	TradeStats Express
TSED	Transmission Siting and Economic Development Grant Program
T-SEP	Transportation Security Exports Program
TSF	Tiered State Framework
TSI	Technology, Services & Innovation \| Timber Stand Improvement \| Transportation Safety Institute \| Transportation Services Index
TSL	Teacher and School Leader Incentive Program \| Thermal Spray Lab
TSM	Traffic Safety Marketing
TSN	Trade Support Network
TSO	Transit Safety and Oversight
TSOG	Timber Sales Operations Group
TSP	Tanker Security Program \| Telecommunications Service Priority \| Thrift Savings Plan \| Transportation Safety Planning
TSU	Tribal Support Unit (changed to OTASA)
TSWG	Technical Support Working Group

TT&L	Treasury Tax and Loan Service (unable to verify 10/14)
T/TA	Early Childhood Training and Technical Assistance (unable to verify 7/21)
TTA	Tribal Training and Technical Assistance Center
TTAB	Trademark Trial and Appeal Board
TTABVUE	Trademark Trial and Appeal Board Inquiry System
TTAC	Transforming Transportation Advisory Committee \| Tribal Technical Advisory Committee
TTANF	Tribal Temporary Assistance for Native Families
TTB	Alcohol and Tobacco Tax and Trade Bureau
TTC	Technology Transfer Center \| Thermal Test Complex
TTCW	Tribal TANF – Child Welfare
TTGP	Tribal Tourism Grant Program
TTiF	Transportation Trends in Focus
TTN	Technology Transfer Network (changed to Technical Air Pollution Resources)
TTO	Technology Transfer Office
TTP	Tribal Transportation Program \| Trusted Traveler Programs
TTPCC	Tribal Transportation Program Coordinating Committee
TTPP	Tobacco Transition Payment Program (moved to password-protected eAuthentication)
TTR	Tonopah Test Range \| Total Taxable Resources
TTRDC	Transportation Technology R&D Center (unable to verify 8/18)
TTRU	Technology and Translational Research Unit
TTS	Technology Transformation Service
TTSA	Travel and Tourism Satellite Account
TTSD	Railroad Safety Technical Training Standards Division
TTSGP	Tribal Transportation Self-Governance Program
TTVP	Tuna Tracking & Verification Program
TUDA	Trial Urban District Assessment
TUS-CPS	Tobacco Use Supplement to the Current Population Survey
TVA	Tennessee Valley Authority
TVAP	Trafficking Victim Assistance Program (unable to verify 2/25)
TVAR	Transportation Vulnerability and Resilience
TVIS	Title V Information System
TVS	Traveler Verification Service
TVT	Traffic Volume Trends
TVTP	Targeted Violence and Terrorism Prevention
TWH	Total Worker Health
TwHP	Teaching with Historic Places
TWIC	Transportation Worker Identification Credential
TWINS	Two Wide-angle Imaging Neutral-atom Spectrometers
TWU	Transportation, Warehousing and Utilities Program
TYP	Tribal Youth Program (unable to verify 2/25)
TYT	Two-Year Tool