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The National Park Service Office of Legislative and Congressional Affairs (OLCA) has responsibility for the development and implementation of strategies to advance the NPS's legislative initiatives and other interests relating to Congress.

OLCA serves to:

  • Articulate the NPS's position on legislation proposed by Congress in testimony, statements for the record and views letters;
  • Facilitate the appearance of NPS witnesses at congressional hearings;
  • Coordinate the NPS's responses to congressional committee oversight requests and other inquiries from individual Members and congressional staff.

These functions are important to the NPS's cooperative and productive relationship with Congress.

For more information:

Phone: 202-208-5656 Email: OLCA
Visit: 1849 C Street, NW, Room 3311, Washington, DC 20240



House Committee on Natural Resources

House Subcommittee on Federal Lands

Senate Committee on Energy & Natural Resources

Senate Subcommittee on National Parks

Senate Committee on Environment & Public Works

House Committee on Appropriations

House Appropriations Subcommittee on the Interior, Environment and Related Agencies

Senate Committee on Appropriations

Senate Appropriations Subcommittee on the Interior, Environment and Related Agencies


The calendars below identify expected legislative periods.

Senate 2015 Schedule

House 2015 Schedule



The National Park Service has invited all members of the 114th Congress to help celebrate the upcoming NPS Centennial in 2016. 

Congressional Friends of the National Park Service Centennial are members of Congress who share in celebrating this milestone event. 

Centennial logo



The following laws compilations have been compiled and edited by the National Park Service. We have made every effort to have as complete and accurate a text as possible. We encourage you to recheck the Statutes at Large if you have any doubt about the official text of any law.

Look in the Table of Contents of each volume to find individual laws for specific National Park Service programs or sites.

These texts are searchable.

Laws Relating to the National Park Service

73rd-78th Congress Supplement I (1933-1944)

79th-87th Congress Supplement II and Index (1945-1963)

88th-92nd Congress Supplement III (1963-1972)

93rd-95th Congress Supplement IV (1973-1978)

96th-98th Congress Supplement V (1979-1984)

99th-101st Congress Supplement VI (1985-1990)

102nd-103rd Congress Supplement VII (1991-1994)

104th-105th Conress Supplement VIII (1995-1998)

106th-107th Congress Supplement IX (1999-2002)

108th-109th Congress Supplement X (2003-2006)

110th Congress Supplement XI (2007-2008)

111th Congress Supplement XII (2009-2010)

112th Congress Supplement XIII (2011-2012)



Proclamations and Orders for the years following 2001 are included in the corresponding years Supplemental Laws Compilations.

Proclamations Vol. I (1946)

Proclamations Vol. II (1945-2001)



The following links connect to both internal and external resources for legislative materials.*


Summaries of Park Laws

Director's Order #76

Parks by Congressional Districts Database

GPO Access

Congressional Budget Office

Government Accountability Office

National Park Service-related provisions in P.L. 113-291, the National Defense Authorization Act for 2015

* Some links above may be directed to a new site and you may be disconnected from the National Park Service.