36 CFR § 291.25 - Conducting inspections and inventories of collections.
(a) The repository and the Authorized Officer must ensure that inspections and inventories of collections are in accordance with the Federal Property and Administrative Services Act (40 U.S.C. 541 et seq.), its implementing regulations (41 CFR parts 101 and 102), any Agency-specific regulations on the management of Federal property, and any Agency-specific statutes and regulations on the management of museum collections.
(b) The frequency and methods for conducting and documenting inspections and inventories will be appropriate to the nature and content of the collection.
(c) When two or more Federal agencies deposit collections in the same repository, they may enter into an interagency agreement consistent with the Single Audit Act (31 U.S.C. 75) for inspections and inventories.