GENERAL RULES 1 AND 6 FOR THE INTERPRETATION OF THE COMBINED NOMENCLATURE.
THE TEXT TO TARIC CODES 6912, 6912 00, 6912 00 30 AND 6912 00 30 00.
HARMONISED SYSTEM EXPLANATORY NOTE (B) TO HEADING 6912.
HARMONISED SYSTEM EXPLANATORY NOTE (II) TO SUB-CHAPTER II OF CHAPTER 69.