Sec. 37.004.  SUBJECT MATTER OF RELIEF.  (a)  A person interested under a deed, will, written contract, or other writings constituting a contract or whose rights, status, or other legal relations are affected by a statute, municipal ordinance, contract, or franchise may have determined any question of construction or validity arising under the instrument, statute, ordinance, contract, or franchise and obtain a declaration of rights, status, or other legal relations thereunder.
(b)  A contract may be construed either before or after there has been a breach.
(c)  Notwithstanding Section 22.001, Property Code, a person described by Subsection (a) may obtain a determination under this chapter when the sole issue concerning title to real property is the determination of the proper boundary line between adjoining properties.
Acts 1985, 69th Leg., ch. 959, Sec. 1, eff. Sept. 1, 1985.
Amended by: 
Acts 2007, 80th Leg., R.S., Ch. 305 (H.B. 1787), Sec. 1, eff. June 15, 2007.