Sec. 21.07.  INTANGIBLES OF CERTAIN TRANSPORTATION BUSINESSES.  (a)  A portion of the total intangible value of a transportation business whose intangibles are appraised as provided by Subchapter A of Chapter 24 of this code is taxable by each county in which the business operates.
(b)  The portion of the total value that is taxable as provided by Subsection (a) of this section is determined by the provisions of Subchapter A of Chapter 24 of this code.
Acts 1979, 66th Leg., p. 2248, ch. 841, Sec. 1, eff. Jan. 1, 1982.  Amended by Acts 1983, 68th Leg., p. 4823, ch. 851, Sec. 10, eff. Aug. 29, 1983.