CLASSIFICATION IS DETERMINED BY THE PROVISIONSOF THE GENERAL RULES 1 AND 6 FOR THE INTERPRETATION OF THE COMBINED NOMENCLATURE;
THE TEXT OF CODES 6806, 6806 20, 6806 20 90;
THE HARMONISED SYSTEM EXPLANATORY NOTES TO HEADING 6806;
HSEN'S TO 2530 (D) (3)
ADVICE OF THE STATE LABORATORY