Federal agencies must follow the land acquisition policy in the Uniform Relocation Assistance and Real Property Acquisition Policies Act, as amended, 42 U.S.C. 4651-4655, which--
(a) Encourages and expedites the acquisition of real property by agreements with owners;
(b) Avoids litigation, including condemnation actions, where possible and relieves congestion in the courts;
(c) Provides for consistent treatment of owners; and
(d) Promotes public confidence in Federal land acquisition practices.