1 . COMMON CUSTOMS TARIFF - TARIFF HEADINGS - INTERPRETATION - CONSIDERATION OF THE VARIOUS LANGUAGE VERSIONS - REFERENCE TO THE EXPLANATORY NOTES OF THE CUSTOMS CO-OPERATION COUNCIL 2 . COMMON CUSTOMS TARIFF - TARIFF SUBHEADINGS - ' ' SYNTHETIC TEXTILE FIBRES ' ' WITHIN THE MEANING OF SUBHEADING 56.01 A - CONCEPT - EXCLUSION OF FIBRES NOT SUITABLE FOR SPINNING - IMPERMISSIBLE 3 . COMMON CUSTOMS TARIFF - TARIFF HEADINGS - ' ' FLOCK AND DUST OF MAN-MADE FIBRES ' ' WITHIN THE MEANING OF SUBHEADING 59.01 B I - CRITERIA - REFERENCE TO THE EXPLANATORY NOTES OF THE CUSTOMS CO-OPERATION COUNCIL 4 . COMMON CUSTOMS TARIFF - TARIFF SUBHEADINGS - ' ' FLOCK AND DUST OF MAN-MADE FIBRES ' ' WITHIN THE MEANING OF SUBHEADING 59.01 B I - CONCEPT - CUTTINGS OF SYNTHETIC TEXTILE FIBRES HAVING A LENGTH OF BETWEEN 6 AND 7 MM - INCLUSION