A grantee must have or obtain a full title or other interest in the site (such as a long-term lease), including right of access, that is sufficient to ensure the grantee's undisturbed use and possession of the facilities for at least 25 years after completion of the project or for the useful life of the construction, whichever is longer.
34 C.F.R. §75.610
Authority: 20 U.S.C. 1221e-3 and 3474