The Sienna Plantation Management District is a special district created under Section 59, Article XVI, Texas Constitution. (Acts 78th Leg., R.S., Ch. 987, Sec. 1(a)) Added by Acts 2005, 79th Leg., Ch. 729 (H.B. 2019), Sec. 1.03, eff. April 1, 2007.
Texas Legal Code