(a) The authority may acquire by the exercise of the power of eminent domain property of any kind or a property interest inside or outside the authority that is necessary or convenient to the exercise of the powers, rights, privileges, and functions conferred on the authority by this chapter.
(b) The authority must exercise the power of eminent domain in the manner provided by:
(1) Chapter 21, Property Code; or
(2) the statutes relating to the exercise of the power of eminent domain by districts organized under general law under Section 59, Article XVI, Texas Constitution.
(c) The authority may not exercise the power of eminent domain to acquire property or a property interest that is:
(1) located outside the authority; and
(2) owned by a body politic.
(d) The authority's authority under this section to exercise the power of eminent domain expired on September 1, 2013, unless the authority submitted a letter to the comptroller in accordance with Section 2206.101(b), Government Code, not later than December 31, 2012.