The capitalization rate to be used in determining the appraised value of qualified open-space land as provided by this subchapter is 10 percent or the interest rate specified by the Farm Credit Bank of Texas or its successor on December 31 of the preceding year plus 2-1/2 percentage points, whichever percentage is greater.Acts 1979, 66th Leg., p. 2259, ch. 841, Sec. 1, eff. Jan. 1, 1982. Amended by Acts 1995, 74th Leg., ch. 579, Sec. 4, eff. Jan. 1, 1996.