HEADING 3804
Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, including lignin sulfonates, but excluding tall oil of heading 3803:
Part of Chapter 38 — Miscellaneous Chemical Products, Section VI.
Subheadings and tariff lines
Recent CBP rulings on heading 3804
Classifying products under 3804?
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