Pub. L. 106-36, tit. II, subtit. A, ch. 2, sec. 2224
2–(4–CHLOROPHENYL)–3–ETHYL–2, 5–DIHYDRO–5–OXO–4–PYRIDAZINE CARBOXYLIC ACID, POTASSIUM SALT.
SEC. 2224. 2–(4–CHLOROPHENYL)–3–ETHYL–2, 5–DIHYDRO–5–OXO–4–PYRIDAZINE CARBOXYLIC ACID, POTASSIUM SALT. Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading:113 STAT. 166 “ 9902.33.16 2–(4–Chlorophenyl)–3–ethyl–2,5–dihydro–5–oxo–4–pyridazine carboxylic acid, potassium salt (CAS No. 82697–71–0) (provided for in subheading 2933.90.79) .................................... Free No change No change On or before 12/31/2001 ”.