Sec. 681.171. ORANGE COUNTY NAVIGATION AND PORT DISTRICT. The Orange County Navigation and Port District may apply for and accept a grant of authority to establish, operate, and maintain: (1) a foreign trade zone in Orange County; and (2) other subzones. Added by Acts 2007, 80th Leg., R.S., Ch. 885 (H.B. 2278), Sec. 2.01, eff. April 1, 2009.