It is the purpose and intent of this subchapter to confer on districts individually, jointly, or mutually interested in a navigation project, including a project relating to improvements and facilities described in Sections 60.032 (Authority to Construct Improvements) and 60.101 (Acquisition and Maintenance of Port Facilities) of this code, the fullest possible power of contract with regard to navigation or other projects of individual or common interest.Acts 1971, 62nd Leg., p. 110, ch. 58, Sec. 1, eff. Aug. 30, 1971. Amended by Acts 1991, 72nd Leg., ch. 794, Sec. 1, eff. June 16, 1991; Acts 2003, 78th Leg., ch. 588, Sec. 5, eff. June 20, 2003.