The purpose of the Office of Congressional and Legislative Affairs is to provide direction to National Park Service (NPS) personnel who interact with Members of Congress and congressional staff. The office provides direction and guidance to NPS personnel involved in the development and implementation of legislation and ensures that NPS personnel fully understand and comply with laws and regulations governing permissible and impermissible public advocacy. 

National Park Service Laws
Learn about the laws
The following laws compilations have been compiled and edited by the National Park Service.
Proclamations and Orders
Proclamations and orders that impact the National Park Service
Proclamations and Orders for the years following 2001 are included in the corresponding years Supplemental Laws Compilations.

Last updated: November 17, 2025

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