Pub. L. 100-418, tit. I, subtit. G, pt. 1, subpt. B, sec. 1784
UDIMETHYL–3.5-DIPHENYLPYRAZOLIUM METHYL SULFATE (DIFENZOQUAT METHYL SULFATE).
SEC. 1784. UDIMETHYL–3.5-DIPHENYLPYRAZOLIUM METHYL SULFATE (DIFENZOQUAT METHYL SULFATE). Subpart B of part 1 of the Appendix is amended by inserting in numerical sequence the following new item: “ 907.24 1,2-Dimethyl-3,5-diphenylpyrazolium methyl sulfate (difenzoquat methyl sulfate) (provided for in item 408.19, part 1C, schedule 4) Free No change On or before 12/31/90 ”,