36 C.F.R. § 1275.14 Legal custody.
Title 36 - Parks, Forests, and Public Property
The Archivist of the United States has or will obtain exclusive legal custody and control of all Presidential historical materials of the Nixon Administration held pursuant to the provisions of title I of the Presidential Recordings and Materials Preservation Act (Pub. L. 93–526; 88 Stat. 1695).
Title 36: Parks, Forests, and Public Property
PART 1275—PRESERVATION AND PROTECTION OF AND ACCESS TO THE PRESIDENTIAL HISTORICAL MATERIALS OF THE NIXON ADMINISTRATION
Subpart A—General Provisions
§ 1275.14 Legal custody.

