# Commission Implementing Regulation (EU) 2016/1821 of 6 October 2016 amending Annex I to Council Regulation (EEC) No 2658/87 on the tariff and statistical nomenclature and on the Common Customs Tariff, Division 5: For the purposes of headings 5204, 5401 and 5508, the expression ‘sewing thread’ means multiple (folded) or cabled yarn:

Extent: E+W+S+N.I.

(a) put up on supports (for example, reels, tubes) of a weight (including support) not exceeding 1 000 grams;
(b) dressed for use as sewing thread; and
(c) with a final ‘Z’ twist.

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Source: https://www.legislation.gov.uk/eur/2016/1821/annex/I/part/TWO/division/1/section/XI/annotations/1/annotation/5 (the official version)
Page: https://openlegislation.uk/eu-regulation-2016-1821/annex-I/part-TWO/division-1/section-XI/annotations/1/annotation/5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.