Explanatory notes
… singly or two or more together) the raw silk threads of heading 50.02. They are, however, excluded if put up for … retail sale ( heading 50.06 ) or if within the definition of twine, cordage, etc. ( heading 56.07 ) (see Parts (I) (B) … single raw silk thread. Hard‑twisted yarns of this type are often called crêpe poils, mousselines or chiffon twist. …
