Sec. 63.021. GRADE STATEMENTS. Any statement of the grade of a commercial fertilizer shall be stated in whole numbers in the following order:
(1) total nitrogen;
(2) available phosphoric acid; and
(3) soluble potash.
Acts 1981, 67th Leg., p. 1143, ch. 388, Sec. 1, eff. Sept. 1, 1981.