GENERAL RULES 1 AND 6 FOR THE INTERPRETATION OF THE COMBINED NOMENCLATURE.
THE TEXT TO TARIC CODES 3402, 3402 12, 3402 12 00 AND 3402 12 00 00.
CHAPTER NOTE 3 TO CHAPTER 34.
THE HARMONISED SYSTEM EXPLANATORY NOTES (I) TO HEADING 3402.
THE EUROPEAN INVENTORY OF CHEMICAL SUBSTANCES.