Pub. L. 109-432, div. D, tit. I, subtit. A, ch. 1, sec. 1202
MCPB ACID AND MCPB SODIUM SALT.
SEC. 1202. MCPB ACID AND MCPB SODIUM SALT. Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 120 STAT. 3094 “9902.22.944-(4-Chloro-2-methylphenoxy) butanoic acid (CAS No. 94–81–5); 4-(4-chloro-2-methylphenoxy)butanoic acid, sodium salt (CAS No. 6062–26–6) (provided for in subheading 2918.90.20)FreeNo changeNo changeOn or before 12/31/2009 ”.