Regulations last checked for updates: May 27, 2025

Title 43 - Public Lands: Interior last revised: May 16, 2025
§ 2568.100 - What is a CSU?

A CSU is an Alaska unit of the National Park System, National Wildlife Refuge System, National Wild and Scenic Rivers System, National Trails System, National Wilderness Preservation System, or a National Forest Monument.

authority: 43 U.S.C. 1629g(e)
cite as: 43 CFR 2568.100