The National Park Service commonly refers to law enforcement operations in the agency as Visitor and Resource Protection.

Generally speaking the laws enforced on NPS lands are covered in Title 36 of the Code of Federal Regulations.

Commissioned National Park Service employees must follow all policies outlined in DOI reference manuals and director's orders in performance of their duties.

[5][6] To cover the vast and varied terrain under their jurisdiction, NPS employees use numerous types of vehicles, horses, aircraft, ATVs, snowmobiles, dirt bikes and boats.

Special agents travel often and typically cover several NPS units and several states, and occasionally conduct internal and civil claim investigations.

Course work in fields other than those specified, may be accepted if it clearly provides applicants with the background of knowledge and skills necessary for successful job performance, in the position to be filled.Since 1913, 41 Law Enforcement Rangers have been documented by the United States Department of the Interior to have been killed in the line of duty.