(1) Records: The agency shall maintain adequate records of its acquisition and displacement activities in sufficient detail to demonstrate compliance with this chapter. These records shall be retained for at least three years after each owner of a property and each person displaced from a property receives the final payment to which the person is entitled under this chapter.

(2) Confidentiality of records: Records maintained by an agency in accordance with this chapter are confidential regarding their use as public information, unless applicable law provides otherwise.

(3) Reports: The agency shall submit a report of its real property acquisition and displacement activities under this chapter if required by the federal agency funding the project. A report will not be required more frequently than every three years, or as the Uniform Act provides, unless the funding agency shows good cause.