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Agency prefix 2105 · OST · Cabinet Departments · Latest filing 2026-05-26

Agency summary

Agency code: OST

Government type: Cabinet Departments

Indexed filings: 296

Latest filing date: 2026-05-26

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Parent family and related agencies

Parent family: Department of Transportation

OMB Prefix	Agency	Code	Filings
2100	Department of Transportation	DOT	6
2106	Office of the Secretary - Aviation	OSTA	174
2110	Transportation Security Administration	TSA	15
2115	U.S. Coast Guard	USCG	1138
2120	Federal Aviation Administration	FAA	2007
2125	Federal Highway Administration	FHWA	849
2126	Federal Motor Carrier Safety Administration	FMCSA	438
2127	National Highway Traffic Safety Administration	NHTSA	1078
2130	Federal Railroad Administration	FRA	1018
2132	Federal Transit Administration	FTA	398
2133	Maritime Administration	MARAD	755
2135	Saint Lawrence Seaway Development Corporation	SLSDC	18
2137	Pipeline and Hazardous Materials Safety Administration	PHMSA	823
2138	Bureau of Transportation Statistics - Aviation	BTSA	222
2139	Research and Innovative Technologies Administration	RITA	56
2140	Surface Transportation Board	STB	225
2145	Pipeline and Hazardous Materials Safety Administration	PHMSA	0
2150	Research and Innovative Technologies Administration (Old)	RITA	0

Forms

OMB Number	Title	Latest filing
2105-0588	Enhancing Transparency of Ancillary Airline Service Fees	2024-07-29
2105-0587	Travel Credits or Vouchers in Relation to a Serious Communicable Disease	2024-05-08
2105-0586	“Disadvantaged Business Enterprise Program and Airport Concession Disadvantaged Business Enterprise Program Modifications”	2024-04-09
2105-0585	DOT DBE Program	2022-03-10
2105-0584	Thriving Communities Initiative	2026-05-26
2105-0583	Improving Customer Experience (OMB Circular A-11, Section 280 Implementation)	2025-06-24
2105-0582	Part 1239 Clauses 1252.239-72 and 1252-239-74	2025-12-30
2105-0581	Part 1239 Clause 1252.239-70	2025-12-30
2105-0580	Part 1239 Clauses 1252.239-89 and 1252-239-90	2025-12-30
2105-0579	Part 1239 Clause 1252.239-75	2025-12-30
2105-0578	Part 1239 Clauses 1252.239-76; 1252-239-77; 1252-239-80; 1252-239-83; 1252-239-85; and 1252-239-88.	2025-12-30
2105-0577	Request for a Medical Exemption to the COVID-19 Vaccination Requirement Form	2021-11-23
2105-0576	Reporting Requirements for Traveling by Air with Service Animals	2024-04-29
2105-0575	Regular Generic Clearance for Customer Satisfaction	2018-06-29
2105-0574	No Wrong Door Complaint Form	2016-10-12
2105-0573	Generic Clearance for the Collection of Qualitative Feedback on Agency Service Delivery	2025-12-08
2105-0572	Mayors' Challenge for Safer People and Safer Streets Survey	2016-03-29
2105-0571	Nondiscrimination on the Basis of Disability in Air Travel	2018-11-26
2105-0570	Mentor-Protégé Program	2014-10-06
2105-0569	TRANSPORTATION INFRASTRUCTURE FINANCING AND INNOVATION ACT (TIFIA)	2025-03-14
2105-0568	On-Line Complaint Form for Service-Related Issues in Air Transportation	2024-07-01
2105-0567	Prioritization and Allocation Exercised by the Secretary of Transportation under the Defense Production Act	2024-01-04
2105-0566	Tarmac Delays Report Filing and Posting to Websites	2024-06-27
2105-0565	Exemptions for Air Taxi Registration	2025-09-11
2105-0564	Notice of Requirements and Procedures for Grant Payment Request Submission	2016-05-18
2105-0563	TIGER/BUILD Discretionary Grant Program and National Infrastructure Investments	2022-11-22
2105-0562	ARRA Bonding Assistance Program Reimbursable Fee Program	2010-02-26
2105-0561	14 CFR Parts 234, 259, and 399 Enhancing Airlines Protections	2024-09-30
2105-0560	ARRA OST National Surface Transportation System	2010-05-14
2105-0559	Independent Review Team on Aviation Safety	2008-07-25
2105-0558	Procedures (and form) for Reimbursement of General Aviation Operators and Service Providers in the Washington, D.C. area.	2007-03-13
2105-0557	Applicant Background Questionnaire	2009-08-28
2105-0556	Individual Complaint of Employment Discrimination	2023-04-18
2105-0555	Short-term Lending Program Online Application	2016-02-25
2105-0554	Counseling Information Form; Regional Center Intake Form and Quarterly (formerly Monthly) Report of Operations Form.	2023-05-30
2105-0552	Reports by Carriers on Incidents Involving Animals During Air transport	2024-06-25
2105-0551	Reporting Requirements for Disability-Related Complaints	2026-01-30
2105-0550	Reports on Airline Industry Conditions	2003-04-02
2105-0548	Procedures for Compensatsion of Air Carriers	2002-04-11
2105-0547	Study of Air Travel Services Related to Orbitz	2002-03-07
2105-0546	Procedures for Compensation of Air Carriers	2001-10-19
2105-0545	Reports on Significant Airline Service Restrictions	2001-09-27
2105-0544	Supplemental Information from U.S. Airlines Required to Monitor Industry	2001-09-21
2105-0543	Complaint forms: Complaint Concerning Accessibility of Airline Service; Complaint Alleging Discriminaiton by an Airline Based on Race, Ethnicity, National Origin, Religion, Sex, or Sexual	2001-07-11
2105-0540	Transportation Design Awards 2000 Program	1999-08-19
2105-0539	Program Evaluation of FAA Airman Certification and/or Rating Application, Customer Survey	1999-03-08
2105-0538	Disclosure of Change-of-Gauge Services (Final Rule)	2013-02-28
2105-0537	Disclosure of Code-Sharing Arrangements and Long-Term Wet Leases	2018-05-23
2105-0536	Infant Travel Survey	1998-12-10
2105-0535	Information Collection on Passenger Travel by Air	1997-12-03
2105-0534	Passenger Manifest Information	2009-03-31
2105-0533	Indoor Air Quality Medical Questionnaire	1998-05-07
2105-0532	Indoor Air Quality Medical Questionnaire	1996-02-05
2105-0531	Uniform Administrative Requirements for Grants and Agreements with Institutions of Higher Education, Hospitals, and Other Nonprofit Organizations	2007-11-29
2105-0529	U.S. Department of Transportation Breath Alcohol Testing Form	2023-12-13
2105-0528	PILOT PROJECT ON PROPOSED MANAGEMENT INFORMATION SYSTEM (MIS) FORMS AND SUBMISSION PROCEDURES	1993-03-18
2105-0527	USCG PUBLICATION, LOCAL NEWS TO MARINERS	1990-11-08
2105-0525	TELEPHONE SURVEY TO UPDATE 1979-80 SURVEY DATA ON PARATRANSIT SYSTEM ACROSS THE U.S. TO OBTAIN 1990 COST AND SERVICE PARAMETERS	1990-04-12
2105-0523	REVISED DRUG TESTING CUSTODY AND CONTROL FORM--PRETEST	1989-05-09
2105-0522	DRUG TESTING CUSTODY AND CONTROL FORM	1989-11-14
2105-0520	“Uniform Administrative Requirements, Cost Principles, and Audit Requirements for Federal Awards”	2022-07-12
2105-0518	PROCUREMENT OPERATIONS, DOT	1986-12-22
2105-0517	Transportation Acquisition Regulation (TAR)	2005-02-24
2105-0515	COMMERCIAL SPACE TRANSPORTATION: LICENSING REGULATIONS	1991-04-22
2105-0514	SHARED AIRLINE DESIGNATOR CODES	1985-11-14
2105-0512	MARINE SAFETY REPORTING PROGRAM	1985-04-11
2105-0510	Uniform Report of DBE Awards/Commitments and other DBE Program Collections	2021-12-09
2105-0509	UNIFORM RELOCATION ASSISTANCE AND REAL PROPERTY ACQUISITION POLICIES ACT OF 1970, ACQUISITIONS FOR FEDERAL AND FEDERALLY ASSISTED PROGRAMS	1984-07-23
2105-0508	Uniform Relocation Assistance and Real Property Acquisition Regulations for Federal and Federally Assisted Programs	2008-02-29
2105-0507	PROCUREMENT OPERATIONS, DEPARTMENT OF TRANSPORTATION	1984-07-05
2105-0505	AIRPORT QUESTIONNAIRE DOT 2145	1983-04-25
2105-0503	SURVEY OF CLASS III MOTOR CARRIERS OF PROPERTY 2121	1983-03-02
2105-0502	FOLLOW-UP STUDY OF SHIPPER/RECEIVER MODE CHOICE IN SELECTED RURAL COMMUNITIES	1982-06-03
2105-0501	THE IMPACT OF DEREGULATION ON INTERCITY BUS OPERATIONS IN FLORIDA	1982-01-26
2105-0500	FOLLOW-UP SURVEY OF INDUSTRIAL SHIPPERS	1982-01-22
2105-0110	TIME RECORDS	1982-01-11
2105-0108	1982-83 NATIONWIDE PERSONAL TRANSPORTATION STUDY (NPTS)	1981-12-21
2105-0067	PRIORITY ACCESS FOR HIGH OCCUPANCY VEHICLES	1981-12-23
2105-0065	FRINGE PARKING LOTS FOR CARPOOLERS	1981-12-23
2105-0064	PROSPECTUS FOR PROPOSED CONTRACT ENTITLED: MOTORIST ATTITUDES TOWARD LARGE TRUCKS	1981-12-23
2105-0062	PROSPECTUS FOR RESEARCH STUDY "PAVEMENT CONDITION MEASUREMENTS NEEDS AND METHODS"	1981-12-23
2105-0061	REQUEST FOR PROPOSAL: VALUING NONMARKET ELEMENTS OF HIGHWAY IMPACTS	1981-12-23
2105-0031	CONTRACTOR S QUALIFICATIONS AND FINANCIAL INFORMATION	1981-12-23
2105-0029	RECORDKEEPING REQUIREMENTS AND RETENTION SCHEDULES FOR FEDERAL-AID HIGHWAY RECORDS OF STATE HIGHWAY DEPARTMENTS	1981-12-23
2105-0027	FEDERAL-AID (FOR STATE HIGHWAY) PROJECT AGREEMENT	1981-12-23
2105-0018	UNIFORM FEDERAL TRANSPORTATION AND UTILITY SYSTEM APPLICATION	1984-10-18
2105-0017	FOLLOW-UP STUDY OF TRUCKING SERVICE TO SMALL COMMUNITIES	1981-05-07
2105-0014	INSPECTOR GENERAL'S CONTRACTOR QUESTIONNAIRE	1980-05-30
2105-0013	WATERWAY USER CHARGE QUESTIONNAIRE	1980-05-29
2105-0012	SCHEDULES A AND B, DOT MBE REGULATION	1980-06-10
2105-0011	REGULATION--NON-DISCRIMINATION ON THE BASIS OF HANDICAP	1979-04-05
2105-0009	BIOGRAPHICAL INFORMATION ON PROPOSED ADVISORY COMMITTEE MEMBERS	2025-12-09
2105-0008	PIPELINE CARRIER ACCIDENT REPORT	1981-07-09
2105-0007	CERTIFICATION/AGREEMENT	1976-11-26
2105-0006	TRANSPORTATION OF HAZARDOUS MATERIALS: IMMEDIATE NOTICE OF INCIDENTS	1975-06-09
2105-0005	CONTRACTOR'S REQUEST FOR PROGRESS PAYMENT	1981-09-22

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