51.01-50,61,67,68,71 , Yarn of regenerated textile fibres 77 , 78 , 80 (continuous), not put up for retail sale, other than single yarn of viscose rayon untwisted or with a twist of not more than 250 turns per metre and single non-textured yarn of any acetate ---pagebreak--- 16 . 10 . 86 Jornal Oficial das Comunidades Europeias N ? L 293 / 117 NIMEXE Table of equivalence Category CCT heading No code Description ( 1982 ) pieces / kg g / piece 43 51.03 51.03-10 , 20 Yarn of man-made fibres (continuous ), put up for retail sale