Section 111.060 - Interest on Delinquent Tax(a) The yearly interest rate on all delinquent taxes imposed by this title is at the rate of 12 percent for report periods originally due on or before December 31, 1999, after which the rate of interest is variable and determined as provided in Subsection (b).(b) The rate of interest to be charged to the taxpayer is the prime rate plus one percent, as published in The Wall Street Journal on the first day of each calendar year that is not a Saturday, Sunday, or legal holiday.(c) Except as provided by Subsection (d), delinquent taxes draw interest beginning 60 days after the date due.(d) Subsection (c) does not apply to the taxes imposed by Chapters 152 and 211 or under an agreement made under Section 162.003.Amended by: Acts 2009, 81st Leg., R.S., Ch. 1227 (S.B. 1495), Sec. 3, eff. September 1, 2009 Acts 1999, 76th Leg., ch. 459, Sec. 1, eff. Jan. 1, 2000 Acts 1995, 74th Leg., ch. 1000, Sec. 2, eff. Oct. 1, 1995 Acts 1993, 73rd Leg., ch. 587, Sec. 5, eff. Jan. 1, 1994 Acts 1991, 72nd Leg., 1st C.S., ch. 5, Sec. 13.01, eff. Sept. 1, 1991 Acts 1991, 72nd Leg., ch. 409, Sec. 69, eff. June 7, 1991 Amended by Acts 1983, 68th Leg., p. 450, ch. 93, Sec. 1, eff. Sept. 1, 1983 Acts 1981, 67th Leg., p. 1506, ch. 389, Sec. 1, eff. Jan. 1, 1982.