General Regulation - National Park System (US National Park Service Regulation) (NPS) (2018 Edition) The Law Library presents the complete text of the General Regulation - National Park System (US National Park Service Regulation) (NPS) (2018 Edition). Updated as of May 29, 2018 The National Park Service (NPS) is issuing this interim general rule governing demonstrations and the sale and distribution of printed matter for most of the National Park System as well as request for comments. This rule revises the definition of what constitutes a demonstration and exempts individuals and small groups from the requirement to obtain a permit for demonstrations and the sale or distribution of printed matter, consistent with the decisions in the Boardley v. Department of the Interior litigation. This rule also refines how applications are processed and prohibits the harassment of visitors and obstruction of public passageways. This book contains: - The complete text of the General Regulation - National Park System (US National Park Service Regulation) (NPS) (2018 Edition) - A table of contents with the page number of each section