In this code:

(1) a reference to a title, chapter, or section without further identification is a reference to a title, chapter, or section of this code; and

(2) a reference to a subtitle, subchapter, subsection, subdivision, paragraph, or other numbered or lettered unit without further identification is a reference to a unit of the next larger unit of this code in which the reference appears.

Acts 1993, 73rd Leg., ch. 269, § 1, eff. Sept. 1, 1993.