Section 6.01 - Appraisal Districts Established(a) An appraisal district is established in each county.(b) The district is responsible for appraising property in the district for ad valorem tax purposes of each taxing unit that imposes ad valorem taxes on property in the district.(c) An appraisal district is a political subdivision of the state. Acts 1983, 68th Leg., p. 4819, ch. 851, Sec. 1, eff. Aug. 29, 1983 Amended by Acts 1981, 67th Leg., 1st C.S., p. 119, ch. 13, Sec. 12, 13, eff. Aug. 14, 1981 Acts 1979, 66th Leg., p. 2224, ch. 841, Sec. 1, eff. Jan. 1, 1980.