49 CFR §260.41

1. (a)Equipment or facilities subject to the provisions of this subpart may be inspected at such times as the Administrator deems necessary to assure compliance with the standards set forth in § 260.39. Each Borrower shall permit representatives of the FRA to enter upon its property to inspect and examine such facilities at reasonable times and in a reasonable manner. Such representatives shall be permitted to use such testing devices as the Administrator deems necessary to insure that the maintenance standards imposed by this subpart are being followed.
2. (b)Each Borrower shall submit annually to the Administrator financial records and other documents detailing the maintenance and inspections performed which demonstrate that the Borrower has complied with the standards in § 260.39.