TOPN: Table of Popular Names

O and P Nonimmigrant Amendments of 1991

Pub. L. 102-232, title II, Dec. 12, 1991, 105 Stat. 1736

Short title, see 8 U.S.C. 1101 note

O'Mahoney-Hatch Act

Aug. 8, 1946, ch. 916, 60 Stat. 950

O'Mahoney-Ramspeck Act (Civil Service Extension To Postmasters)

June 25, 1938, ch. 678, 52 Stat. 1076

Obstruction of Interstate Commerce Act

Aug. 10, 1917, ch. 51, 40 Stat. 272

Occupational Safety and Health Act of 1970

Pub. L. 91-596, Dec. 29, 1970, 84 Stat. 1590 ( 29 U.S.C. 651 et seq.)

Short title, see 29 U.S.C. 651 note

Ocean Dumping Act

Pub. L. 92-532, title I, Oct. 23, 1972, 86 Stat. 1053 ( 33 U.S.C. 1411 et seq.)

Ocean Dumping Ban Act of 1988

Pub. L. 100-688, title I, Nov. 18, 1988, 102 Stat. 4139

Short title, see 33 U.S.C. 1401 note

Ocean Mail Act of 1891

Mar. 3, 1891, ch. 519, 26 Stat. 830

Ocean Pollution Reduction Act

Pub. L. 103-431, Oct. 31, 1994, 108 Stat. 4396

Short title, see 33 U.S.C. 1251 note

Ocean Thermal Energy Conversion Act of 1980

Pub. L. 96-320, Aug. 3, 1980, 94 Stat. 974 ( 42 U.S.C. 9101 et seq.)

Short title, see 42 U.S.C. 9101 note

Ocean Thermal Energy Conversion Research, Development, and Demonstration Act

Pub. L. 96-310, July 17, 1980, 94 Stat. 941 ( 42 U.S.C. 9001 et seq.)

Short title, see 42 U.S.C. 9001 note

Oceans Act of 2000

Pub. L. 106-256, Aug. 7, 2000, 114 Stat. 644 ( 33 U.S.C. 857-19 note)

Oceans and Human Health Act

Pub. L. 108-447, div. B, title IX, Dec. 8, 2004, 118 Stat. 2930 ( 33 U.S.C. 3101 et seq.)

Short title, see 33 U.S.C. 3101 note

Odometer Disclosure Act

Pub. L. 92-513, title IV, Oct. 20, 1972, 86 Stat. 961

Office of Correctional Education Act of 1990

Pub. L. 101-392, title VI, Sept. 25, 1990, 104 Stat. 840

Short title, see 20 U.S.C. 3401 note

Office of Federal Procurement Policy Act Amendments of 1979

Pub. L. 96-83, Oct. 10, 1979, 93 Stat. 648

Short title, see 41 U.S.C. 101 note

Office of Federal Procurement Policy Act Amendments of 1983

Pub. L. 98-191, Dec. 1, 1983, 97 Stat. 1325

Short title, see 41 U.S.C. 101 note

Office of Federal Procurement Policy Act Amendments of 1988

Pub. L. 100-679, Nov. 17, 1988, 102 Stat. 4055

Short title, see 41 U.S.C. 101 note

Office of Government Ethics Amendment of 1992

Pub. L. 102-506, Oct. 24, 1992, 106 Stat. 3280

Short title, see 5 U.S.C. App. 101 note

Office of Government Ethics Authorization Act of 1996

Pub. L. 104-179, Aug. 6, 1996, 110 Stat. 1566

Short title, see 5 U.S.C. App. 101 note

Office of Government Ethics Authorization Act of 2001

Pub. L. 107-119, Jan. 15, 2002, 115 Stat. 2382

Short title, see 5 U.S.C. App. 101 note

Office of Government Reports Act

June 9, 1941, ch. 189, 55 Stat. 247

Office of National Drug Control Policy Reauthorization Act of 1998

Pub. L. 105-277, div. C, title VII, Oct. 21, 1998, 112 Stat. 2681 -670 ( 21 U.S.C. 1701 et seq.)

Short title, see 21 U.S.C. 1701 note

Office of Strategic Services Congressional Gold Medal Act

Pub. L. 114-269, Dec. 14, 2016, 130 Stat. 1391 ( 31 U.S.C. 5111 note)

Officer Grade Limitation Act of 1954

May 5, 1954, ch. 180, 68 Stat. 65

Officer Personnel Act of 1947

Aug. 7, 1947, ch. 512, 61 Stat. 795

Officers' Competency Certificates Act

July 17, 1939, ch. 316, 53 Stat. 1049

Offshore Shrimp Fisheries Act Amendments of 1975

Pub. L. 94-58, July 24, 1975, 89 Stat. 266

Offshore Shrimp Fisheries Act of 1973

Pub. L. 93-242, Jan. 2, 1974, 87 Stat. 1061 ( 16 U.S.C. 1100b et seq.)

Oh! Grab Me Act (Embargo 1807)

Dec. 22, 1807, ch. 5, 2 Stat. 451

Ohio & Erie Canal National Heritage Corridor Act of 1996

Renamed Ohio & Erie National Heritage Canalway Act of 1996

Ohio & Erie National Heritage Canalway Act of 1996

Pub. L. 104-333, div. II, title VIII, Nov. 12, 1996, 110 Stat. 4267

Oil and Gas Prospecting Act

Aug. 21, 1935, ch. 599, 49 Stat. 674

Oil Pipe Line Act

May 21, 1896, ch. 212, 29 Stat. 127 ( 43 U.S.C. 962 et seq.)

Short title, see 43 U.S.C. 962 note

Oil Pollution Act, 1924

June 7, 1924, ch. 316, 43 Stat. 604 ( 33 U.S.C. 431 et seq.)

Oil Pollution Act, 1961, as amended

Pub. L. 87-167, Aug. 30, 1961, 75 Stat. 402 ( 33 U.S.C. 1001 et seq.)

Short title, see 33 U.S.C. 1001 note

Oil Pollution Act Amendments of 1973

Pub. L. 93-119, Oct. 4, 1973, 87 Stat. 424

Short title, see 33 U.S.C. 1001 note

Oil Pollution Act of 1990

Pub. L. 101-380, Aug. 18, 1990, 104 Stat. 484 ( 33 U.S.C. 2701 et seq.)

Short title, see 33 U.S.C. 2701 note

Oil Region National Heritage Area Act

Pub. L. 108-447, div. J, title VI, Dec. 8, 2004, 118 Stat. 3368

Oil Shale, Tar Sands, and Other Strategic Unconventional Fuels Act of 2005

Pub. L. 109-58, title III,Sec 369, Aug. 8, 2005, 119 Stat. 728 ( 42 U.S.C. 15927)

Short title, see 42 U.S.C. 15927(a)

Oil Terminal and Oil Tanker Environmental Oversight and Monitoring Act of 1990

Pub. L. 101-380, title V,Sec 5002, Aug. 18, 1990, 104 Stat. 544 ( 33 U.S.C. 2732)

Short title, see 33 U.S.C. 2732(a)(1)

Oilheat Efficiency, Renewable Fuel Research and Jobs Training Act of 2014

Pub. L. 113-79, title XII, subtitle D (Sec. 12401 et seq.), Feb. 7, 2014, 128 Stat. 997

Short title, see 42 U.S.C. 6201 note

Ojito Wilderness Act

Pub. L. 109-94, Oct. 26, 2005, 119 Stat. 2106

Oklahoma City National Memorial Act Amendments of 2003

Pub. L. 108-199, div. F, title V,Sec 544, Jan. 23, 2004, 118 Stat. 347

Short title, see 16 U.S.C. 450ss note

Oklahoma City National Memorial Act of 1997

Pub. L. 105-58, Oct. 9, 1997, 111 Stat. 1261

Short title, see 16 U.S.C. 450ss note

Oklahoma Enabling Act of June 16, 1906

June 16, 1906, ch. 3335, 34 Stat. 267

Oklahoma Indian Welfare Act

Also known as the Oklahoma Welfare Act

June 26, 1936, ch. 831, 49 Stat. 1967 ( 25 U.S.C. 5201 et seq.)

Short title, see 25 U.S.C. 5201 note

Oklahoma Welfare Act

Also known as the Oklahoma Indian Welfare Act

June 26, 1936, ch. 831, 49 Stat. 1967 ( 25 U.S.C. 5201 et seq.)

Short title, see 25 U.S.C. 5201 note

Old Age Assistance Claims Settlement Act

Pub. L. 98-500, Oct. 19, 1984, 98 Stat. 2317 ( 25 U.S.C. 2301 et seq.)

Short title, see 25 U.S.C. 2301 note

Old Age Pension Act

See Social Security Act

Old-Age, Survivors, and Disability Insurance Amendments of 1965

Pub. L. 89-97, title III, July 30, 1965, 79 Stat. 361

Short title, see 42 U.S.C. 1305 note

Old Post Office Building Redevelopment Act of 2008

Pub. L. 110-359, Oct. 8, 2008, 122 Stat. 4005

Old Series Currency Adjustment Act

Pub. L. 87-66, June 30, 1961, 75 Stat. 146

Old Spanish Trail Recognition Act of 2002

Pub. L. 107-325, Dec. 4, 2002, 116 Stat. 2790

Short title, see 16 U.S.C. 1241 note

Older Americans Act Amendments of 1967

Pub. L. 90-42, July 1, 1967, 81 Stat. 106

Short title, see 42 U.S.C. 3001 note

Older Americans Act Amendments of 1969

Pub. L. 91-69, Sept. 17, 1969, 83 Stat. 108

Older Americans Act Amendments of 1981

Pub. L. 97-115, Dec. 29, 1981, 95 Stat. 1595

Short title, see 42 U.S.C. 3001 note

Older Americans Act Amendments of 1984

Pub. L. 98-459, Oct. 9, 1984, 98 Stat. 1767

Short title, see 42 U.S.C. 3001 note

Older Americans Act Amendments of 1986

Pub. L. 99-269, Apr. 1, 1986, 100 Stat. 78

Short title, see 42 U.S.C. 3001 note

Older Americans Act Amendments of 1987

Pub. L. 100-175, Nov. 29, 1987, 101 Stat. 926

Short title, see 42 U.S.C. 3001 note

Older Americans Act Amendments of 1992

Pub. L. 102-375, Sept. 30, 1992, 106 Stat. 1195

Short title, see 42 U.S.C. 3001 note

Older Americans Act Amendments of 2000

Pub. L. 106-501, Nov. 13, 2000, 114 Stat. 2226

Short title, see 42 U.S.C. 3001 note

Older Americans Act Amendments of 2006

Pub. L. 109-365, Oct. 17, 2006, 120 Stat. 2522

Short title, see 42 U.S.C. 3001 note

Older Americans Act of 1965

Pub. L. 89-73, July 14, 1965, 79 Stat. 218 ( 42 U.S.C. 3001 et seq.)

Short title, see 42 U.S.C. 3001 note

Older Americans Comprehensive Services Amendments of 1973

Pub. L. 93-29, May 3, 1973, 87 Stat. 30

Short title, see 42 U.S.C. 3001 note

Older Americans Personal Health Education and Training Act

Pub. L. 89-73, title VII, as added Pub. L. 98-459, title VII,Sec 701, Oct. 9, 1984, 98 Stat. 1788

Older Americans Reauthorization Technical Corrections Act

Pub. L. 110-19, Apr. 23, 2007, 121 Stat. 84

Short title, see 42 U.S.C. 3001 note

Older Workers Benefit Protection Act

Pub. L. 101-433, Oct. 16, 1990, 104 Stat. 978

Short title, see 29 U.S.C. 621 note

Oleomargarine Act of 1886

Aug. 2, 1886, ch. 840, 24 Stat. 209

Olympic and Amateur Sports Act Amendments of 1998

Pub. L. 105-277, div. C, title I,Sec 142, Oct. 21, 1998, 112 Stat. 2681 -603

Short title, see 36 U.S.C. 101 note

Olympic Commemorative Coin Act

Pub. L. 97-220, July 22, 1982, 96 Stat. 222 ( 31 U.S.C. 5112 note)

Omnibus Adjustment Act of May 25, 1926

May 25, 1926, ch. 383, 44 Stat. 636

Omnibus Appropriations Act, 2009

Pub. L. 111-8, Mar. 11, 2009, 123 Stat. 524

Omnibus Budget Reconciliation Act of 1981

Pub. L. 97-35, Aug. 13, 1981, 95 Stat. 357

Omnibus Budget Reconciliation Act of 1982

Pub. L. 97-253, Sept. 8, 1982, 96 Stat. 763

Omnibus Budget Reconciliation Act of 1983

Pub. L. 98-270, Apr. 18, 1984, 98 Stat. 157

Omnibus Budget Reconciliation Act of 1986

Pub. L. 99-509, Oct. 21, 1986, 100 Stat. 1874

Omnibus Budget Reconciliation Act of 1987

Pub. L. 100-203, Dec. 22, 1987, 101 Stat. 1330

Omnibus Budget Reconciliation Act of 1989

Pub. L. 101-239, Dec. 19, 1989, 103 Stat. 2106

Omnibus Budget Reconciliation Act of 1990

Pub. L. 101-508, Nov. 5, 1990, 104 Stat. 1388

Omnibus Budget Reconciliation Act of 1993

Pub. L. 103-66, Aug. 10, 1993, 107 Stat. 312

Omnibus Consolidated and Emergency Supplemental Appropriations Act, 1999

Pub. L. 105-277, Oct. 21, 1998, 112 Stat. 2681

Omnibus Consolidated Rescissions and Appropriations Act of 1996

Pub. L. 104-134, Apr. 26, 1996, 110 Stat. 1321

Omnibus Crime Control and Safe Streets Act of 1968

Pub. L. 90-351, June 19, 1968, 82 Stat. 197

Short title, see 34 U.S.C. 10101 note

Omnibus Diplomatic Security and Antiterrorism Act of 1986

Pub. L. 99-399, Aug. 27, 1986, 100 Stat. 853

Short title, see 22 U.S.C. 4801 note

Omnibus Drug Supplemental Appropriations Act of 1987

Pub. L. 99-500, title II, Oct. 18, 1986, 100 Stat. 1783 -353, and Pub. L. 99-591, title II, Oct. 30, 1986, 100 Stat. 3341-356

Omnibus Education Reconciliation Act of 1981

Pub. L. 97-35, title V, Aug. 13, 1981, 95 Stat. 441

Short title, see 20 U.S.C. 3489 note

Omnibus Flood Control Act

Aug. 11, 1939, ch. 699, 53 Stat. 1414

Omnibus Insular Areas Act of 1992

Pub. L. 102-247, Feb. 24, 1992, 106 Stat. 33

Short title, see 16 U.S.C. 410tt note

Omnibus Judgeship Act

Aug. 28, 1935, ch. 793, 49 Stat. 945

Omnibus Low-Level Radioactive Waste Interstate Compact Consent Act

Pub. L. 99-240, title II, Jan. 15, 1986, 99 Stat. 1859 ( 42 U.S.C. 2021d note)

Omnibus Maritime and Coast Guard Improvements Act of 2002

Pub. L. 107-295, title IV, Nov. 25, 2002, 116 Stat. 2113

Short title, see 14 U.S.C. 1 note

Omnibus Oregon Wild and Scenic Rivers Act of 1988

Pub. L. 100-557, title I, Oct. 28, 1988, 102 Stat. 2782

Short title, see 16 U.S.C. 1271 note

Omnibus Parks and Public Lands Management Act of 1996

Pub. L. 104-333, Nov. 12, 1996, 110 Stat. 4093

Short title, see 54 U.S.C. 100101 note

Omnibus Parks Technical Corrections Act of 2000

Pub. L. 106-176, Mar. 10, 2000, 114 Stat. 23

Short title, see 54 U.S.C. 100101 note

Omnibus Public Land Management Act of 2009

Pub. L. 111-11, Mar. 30, 2009, 123 Stat. 991

Short title, see 54 U.S.C. 100101 note

Omnibus Public Lands and National Forests Adjustments Act of 1988

Pub. L. 100-699, Nov. 19, 1988, 102 Stat. 4624

Omnibus Reconciliation Act of 1980

Pub. L. 96-499, Dec. 5, 1980, 94 Stat. 2599

Omnibus Small Business Capital Formation Act of 1980

Pub. L. 96-477, title V, Oct. 21, 1980, 94 Stat. 2291 ( 15 U.S.C. 80c et seq.)

Short title, see 15 U.S.C. 80c note

Omnibus Taxpayer Bill of Rights

Pub. L. 100-647, title VI, subtitle J (Sec. 6226 et seq.), Nov. 10, 1988, 102 Stat. 3730

Short title, see 26 U.S.C. 1 note

Omnibus Territories Act of 1977

Pub. L. 95-134, Oct. 15, 1977, 91 Stat. 1159

Omnibus Trade and Competitiveness Act of 1988

Pub. L. 100-418, Aug. 23, 1988, 102 Stat. 1107

Short title, see 19 U.S.C. 2901 note

One-Hundred-and-Sixty Acre Homestead Act

See Homestead Act

Online Copyright Infringement Liability Limitation Act

Pub. L. 105-304, title II, Oct. 28, 1998, 112 Stat. 2877

Short title, see 17 U.S.C. 101 note

Opal Creek Wilderness and Opal Creek Scenic Recreation Area Act of 1996

Pub. L. 104-208, div. B, title I, Sept. 30, 1996, 110 Stat. 3009 -523

Short title, see 16 U.S.C. 545b note

OPEN FOIA Act of 2009

Pub. L. 111-83, title V, Sec. 564, Oct. 28, 2009, 123 Stat. 2184

Short title, see 5 U.S.C. 101 note

OPEN Government Act of 2007

Also known as the Openness Promotes Effectiveness in our National Government Act of 2007

Pub. L. 110-175, Dec. 31, 2007, 121 Stat. 2524

Short title, see 5 U.S.C. 101 note

Open-market Reorganization for the Betterment of International Telecommunications Act

Also known as the ORBIT Act

Pub. L. 106-180, Mar. 17, 2000, 114 Stat. 48

Short title, see 47 U.S.C. 701 note

Open Meetings, Government in the Sunshine Act

See Government in the Sunshine Act

Operation Desert Shield/Desert Storm Supplemental Appropriations Act, 1991

Pub. L. 102-28, Apr. 10, 1991, 105 Stat. 161

Opium Poppy Control Act of 1942

Dec. 11, 1942, ch. 720, 56 Stat. 1045 ( 21 U.S.C. 188 et seq.)

OPM IG Act

Pub. L. 113-80, Feb. 12, 2014, 128 Stat. 1006

Short title, see 5 U.S.C. 101 note

Optional Inter Partes Reexamination Procedure Act of 1999

Pub. L. 106-113, div. B,Sec 1000(a)(9) [title IV, subtitle F (Sec. 4601 et seq.)], Nov. 29, 1999, 113 Stat. 1536, 1501A-567

Short title, see 35 U.S.C. 1 note

Options Pilot Program Act of 1990

Pub. L. 101-624, title XI, subtitle E (Sec. 1151 et seq.), Nov. 28, 1990, 104 Stat. 3518 ( 7 U.S.C. 1421 note)

ORBIT Act

Also known as the Open-market Reorganization for the Betterment of International Telecommunications Act

Pub. L. 106-180, Mar. 17, 2000, 114 Stat. 48

Short title, see 47 U.S.C. 701 note

ORBIT Technical Corrections Act of 2003

Pub. L. 108-39, June 30, 2003, 117 Stat. 835

Short title, see 47 U.S.C. 701 note

Ordnance Tool Act

May 11, 1939, ch. 122, 53 Stat. 739

Oregon Land Exchange Act of 2000

Pub. L. 106-257, Aug. 8, 2000, 114 Stat. 650

Oregon Public Lands Transfer and Protection Act of 1998

Pub. L. 105-321, Oct. 30, 1998, 112 Stat. 3020

Short title, see 43 U.S.C. 390h note

Oregon Resource Conservation Act of 1996

Pub. L. 104-208, div. B, Sept. 30, 1996, 110 Stat. 3009 -523

Oregon Surplus Federal Land Act of 2008

Pub. L. 110-364, Oct. 8, 2008, 122 Stat. 4018

Oregon Tribal Economic Development Act

Pub. L. 115-179, June 1, 2018, 132 Stat. 1380

Organ Donation and Recovery Improvement Act

Pub. L. 108-216, Apr. 5, 2004, 118 Stat. 584

Short title, see 42 U.S.C. 201 note

Organ Donor Leave Act

Pub. L. 106-56, Sept. 24, 1999, 113 Stat. 407

Short title, see 5 U.S.C. 6301 note

Organ Procurement Organization Certification Act of 2000

Pub. L. 106-505, title VII,Sec 701, Nov. 13, 2000, 114 Stat. 2346

Short title, see 42 U.S.C. 201 note

Organ Transplant Amendments Act of 1988

Pub. L. 100-607, title IV, Nov. 4, 1988, 102 Stat. 3114

Short title, see 42 U.S.C. 201 note

Organic Act of Guam

Aug. 1, 1950, ch. 512, 64 Stat. 384 ( 48 U.S.C. 1421 et seq.)

Short title, see 48 U.S.C. 1421 note

Organic Act of Puerto Rico

Mar. 2, 1917, ch. 145, 39 Stat. 951 ( 48 U.S.C. 731 et seq.)

Organic Act of the Virgin Islands of the United States

June 22, 1936, ch. 699, 49 Stat. 1807 ( 48 U.S.C. 1405 et seq.)

Short title, see 48 U.S.C. 1406m

Organic Foods Production Act of 1990

Pub. L. 101-624, title XXI, Nov. 28, 1990, 104 Stat. 3935 ( 7 U.S.C. 6501 et seq.)

Short title, see 7 U.S.C. 6501 note

Organization of American States Revitalization and Reform Act of 2013

Pub. L. 113-41, Oct. 2, 2013, 127 Stat. 548

Short title, see 22 U.S.C. 290q note

Original Packages Act (Intoxicating Liquors)

Also known as the Wilson Act

Aug. 8, 1890, ch. 728, 26 Stat. 313 ( 27 U.S.C. 121)

Short title, see 27 U.S.C. 121 note

Oroville-Tonasket Claim Settlement and Conveyance Act

Pub. L. 105-9, Apr. 14, 1997, 111 Stat. 16

Orphan Drug Act

Pub. L. 97-414, Jan. 4, 1983, 96 Stat. 2049

Short title, see 21 U.S.C. 301 note

Orphan Drug Amendments of 1985

Pub. L. 99-91, Aug. 15, 1985, 99 Stat. 387

Short title, see 21 U.S.C. 301 note

Orphan Drug Amendments of 1988

Pub. L. 100-290, Apr. 18, 1988, 102 Stat. 90

Short title, see 21 U.S.C. 301 note

Orrin G. Hatch-Bob Goodlatte Music Modernization Act

Pub. L. 115-264, Oct. 11, 2018, 132 Stat. 3676

Short title, see 17 U.S.C. 101 note

Osage Act (Indians)

June 28, 1906, ch. 3572, 34 Stat. 539

Osage Tribe of Indians Technical Corrections Act of 1984

Pub. L. 98-605, Oct. 30, 1984, 98 Stat. 3163

Otay Mountain Wilderness Act of 1999

Pub. L. 106-145, Dec. 9, 1999, 113 Stat. 1711

Ottawa National Wildlife Refuge Complex Expansion and Detroit River International Wildlife Refuge Expansion Act

Pub. L. 108-23, May 19, 2003, 117 Stat. 704 ( 16 U.S.C. 668dd note)

Ouachita National Forest Boundary Adjustment Act of 2006

Pub. L. 109-391, Dec. 12, 2006, 120 Stat. 2701

Outdoor Recreation Jobs and Economic Impact Act of 2016

Pub. L. 114-249, Dec. 8, 2016, 130 Stat. 999

Outer Continental Shelf Deep Water Royalty Relief Act

Pub. L. 104-58, title III, Nov. 28, 1995, 109 Stat. 563

Short title, see 43 U.S.C. 1301 note

Outer Continental Shelf Lands Act

Aug. 7, 1953, ch. 345, 67 Stat. 462 ( 43 U.S.C. 1331 et seq.)

Short title, see 43 U.S.C. 1301 note

Outer Continental Shelf Lands Act Amendments of 1985

Pub. L. 99-272, title VIII, Apr. 7, 1986, 100 Stat. 147

Short title, see 43 U.S.C. 1301 note

Outer Continental Shelf Operations Indemnification Clarification Act of 1988

Pub. L. 100-610, title I, Nov. 5, 1988, 102 Stat. 3176

Short title, see 43 U.S.C. 1801 note

Over-the-Counter Market Act

June 25, 1938, ch. 677, 52 Stat. 1070

Over-the-Road Bus Transportation Accessibility Act of 2007

Pub. L. 110-291, July 30, 2008, 122 Stat. 2915

Short title, see 49 U.S.C. 10101 note

Overman Act

May 20, 1918, ch. 78, 40 Stat. 556

Overseas Citizens Voting Rights Act of 1975

Pub. L. 94-203, Jan. 2, 1976, 89 Stat. 1142

Short title, see 52 U.S.C. 10101 note

Overseas Differentials and Allowances Act

Pub. L. 86-707, Sept. 6, 1960, 74 Stat. 792

Overseas Private Investment Corporation Amendments Act of 1974

Pub. L. 93-390, Aug. 27, 1974, 88 Stat. 763

Short title, see 22 U.S.C. 2151 note

Overseas Private Investment Corporation Amendments Act of 1978

Pub. L. 95-268, Apr. 24, 1978, 92 Stat. 213

Short title, see 22 U.S.C. 2151 note

Overseas Private Investment Corporation Amendments Act of 1981

Pub. L. 97-65, Oct. 16, 1981, 95 Stat. 1021

Short title, see 22 U.S.C. 2151 note

Overseas Private Investment Corporation Amendments Act of 1988

Pub. L. 100-461, title V,Sec 555 [H.R. 5263, title I, and S. 2757, title I], Oct. 1, 1988, 102 Stat. 2268 -36

Short title, see 22 U.S.C. 2151 note

Overseas Private Investment Corporation Amendments Act of 2003

Pub. L. 108-158, Dec. 3, 2003, 117 Stat. 1949

Short title, see 22 U.S.C. 2151 note

Overtime Pay for Protective Services Act of 2016

Pub. L. 114-311, Dec. 16, 2016, 130 Stat. 1531 ( 5 U.S.C. 5547 note)

Ozark National Scenic Riverways Act

Pub. L. 88-492, Aug. 27, 1964, 78 Stat. 608 ( 16 U.S.C. 460m et seq.)

ONDCP Technical Corrections Act of 2019

Pub. L. 116-74, Nov. 27, 2019, 133 Stat. 1155

Short title, see 21 U.S.C. 1701 note

Open, Public, Electronic, and Necessary Government Data Act

Also known as the OPEN Government Data Act

Pub. L. 115-435, title II, Jan. 14, 2019, 132 Stat. 5534

Short title, see 44 U.S.C. 101 note

Opioid Addiction Action Plan Act

Pub. L. 115-271, title VI, subtitle D (Secs. 6031, 6032), Oct. 24, 2018, 132 Stat. 3977

Opioid Addiction Recovery Fraud Prevention Act of 2018

Pub. L. 115-271, title VIII, subtitle B (Secs. 8021-8023), Oct. 24, 2018, 132 Stat. 4082 ( 15 U.S.C. 45d)

Short title, see 15 U.S.C. 58 note

Oregon Wilderness Act of 1984

Pub. L. 98-328, June 26, 1984, 98 Stat. 272 ( 16 U.S.C. 460oo, 1132 note)

Ocean and Coastal Mapping Integration Act

Pub. L. 111-11, title XII, subtitle B (Sec. 12201 et seq.), Mar. 30, 2009, 123 Stat. 1421 ( 33 U.S.C. 3501 et seq.)

Short title, see 33 U.S.C. 3501 note

Otto Warmbier North Korea Nuclear Sanctions and Enforcement Act of 2019

Pub. L. 116-92, div. F, title LXXI, Dec. 20, 2019, 133 Stat. 2244 ( 22 U.S.C. 9261 et seq.)

Short title, see 22 U.S.C. 9201 note

Olympic Winter Games Authorization Act of 1976

Pub. L. 94-427, Sept. 28, 1976, 90 Stat. 1336

Omnibus Consolidated Appropriations Act, 1997

Pub. L. 104-208, Sept. 30, 1996, 110 Stat. 3009

OBRA

See Omnibus Budget Reconciliation Acts

Occupational Safety and Health Administration Compliance Assistance Authorization Act of 1998

Pub. L. 105-197, July 16, 1998, 112 Stat. 638

Short title, see 29 U.S.C. 651 note

Ocean Shipping Act of 1978

Pub. L. 95-483, Oct. 18, 1978, 92 Stat. 1607

Ocean Shipping Reform Act of 1998

Pub. L. 105-258, Oct. 14, 1998, 112 Stat. 1902

Short title, see 19 U.S.C. 1654 note

Oceans Act of 1992

Pub. L. 102-587, Nov. 4, 1992, 106 Stat. 5039

Short title, see 16 U.S.C. 1431 note

OCS Paperwork and Reporting Act

Pub. L. 99-367, July 31, 1986, 100 Stat. 774

Short title, see 43 U.S.C. 1301 note

Obamacare

See Patient Protection and Affordable Care Act

Office of Education and Related Agencies Appropriation Act, 1972

Pub. L. 92-48, July 9, 1971, 85 Stat. 103

Office of Education Appropriation Act, 1971

Pub. L. 91-380, Aug. 18, 1970, 84 Stat. 800

Office of Federal Procurement Policy Act

Pub. L. 93-400, Aug. 30, 1974, 88 Stat. 796

Short title, see 41 U.S.C. 101 note

Office of National Drug Control Policy Reauthorization Act of 2006

Pub. L. 109-469, Dec. 29, 2006, 120 Stat. 3502

Short title, see 21 U.S.C. 1701 note

Oil Lands Leasing Act

See Mineral Leasing Act

Older American Community Service Employment Act

Pub. L. 89-73, title V, as added Pub. L. 106-501, title V, Sec. 501, Nov. 13, 2000, 114 Stat. 2267

Short title, see 42 U.S.C. 3001 note

Omnibus Claims Act

Mar. 4, 1915, ch. 140, Sec. 5, 38 Stat. 996

Omnibus Crime Control Act of 1970

Pub. L. 91-644, Jan. 2, 1971, 84 Stat. 1880

Short title, see 34 U.S.C. 10101 note

Omnibus Indian Advancement Act

Pub. L. 106-568, Dec. 27, 2000, 114 Stat. 2868

Short title, see 25 U.S.C. 4101 note

Omnibus Trade Act of 2010

Pub. L. 111-344, Dec. 29, 2010, 124 Stat. 3611

Short title, see 19 U.S.C. 2101 note

Omnibus Transportation Employee Testing Act of 1991

Pub. L. 102-143, title V, Oct. 28, 1991, 105 Stat. 952

Onion Futures Act

Pub. L. 85-839, Aug. 28, 1958, 72 Stat. 1013 ( 7 U.S.C. 13-1)

Openness Promotes Effectiveness in our National Government Act of 2007

Also known as the OPEN Government Act of 2007

Pub. L. 110-175, Dec. 31, 2007, 121 Stat. 2524

Short title, see 5 U.S.C. 101 note

Office of Compliance Administrative and Technical Corrections Act of 2015

Pub. L. 114-6, Mar. 20, 2015, 129 Stat. 81

Short title, see 2 U.S.C. 1301 note

Organized Crime Control Act of 1970

Pub. L. 91-452, Oct. 15, 1970, 84 Stat. 922

Short title, see 18 U.S.C. 1961 note

Organotin Antifouling Paint Control Act of 1988

Pub. L. 100-333, June 16, 1988, 102 Stat. 605

Short title, see 33 U.S.C. 2401 note

Outdoor Recreation Resources Review Act

Pub. L. 85-470, June 28, 1958, 72 Stat. 238 ( 16 U.S.C. 17k note)

Outer Banks Protection Act

Pub. L. 101-380, title VI, Sec. 6003, Aug. 18, 1990, 104 Stat. 555 ( 33 U.S.C. 2753)

Outer Continental Shelf Lands Act Amendments of 1978

Pub. L. 95-372, Sept. 18, 1978, 92 Stat. 629

Short title, see 43 U.S.C. 1801 note

Overseas Private Investment Corporation Amendments Act of 1985

Pub. L. 99-204, Dec. 23, 1985, 99 Stat. 1669

Short title, see 22 U.S.C. 2151 note

Older Americans Act Reauthorization Act of 2016

Pub. L. 114-144, Apr. 19, 2016, 130 Stat. 334

Short title, see 42 U.S.C. 3001 note

Older Americans Act Technical Amendments of 1993

Pub. L. 103-171, Dec. 2, 1993, 107 Stat. 1988

Short title, see 42 U.S.C. 3001 note

Older Americans Amendments of 1975

Pub. L. 94-135, Nov. 28, 1975, 89 Stat. 713

Short title, see 42 U.S.C. 3001 note

Organic Administration Act

June 4, 1897, ch. 2 [part], 30 Stat. 34

Short title, see 16 U.S.C. 473 note