chapter 55 Man-made staple fibres
1.- Headings 55.01 and 55.02 apply only to man-made filament tow, consisting of parallel filaments of a uniform length equal to the length of the tow, meeting the following specifications:
(a) Length of tow exceeding 2m;
(b) Twist less than 5 turns per metre;
(c) Measuring per filament less than 67 decitex;
(d) Synthetic filament tow only: the tow must be drawn, that is to say, be incapable of being stretched by more than 100% of its length;
(e) Total measurement of tow more than 20,000 decitex.
Tow of a length not exceeding 2m is to be classified in heading 55.03 or 55.04.
1.- In this Chapter, the word “silk” includes noil silk and other silk waste.