The Commission, in cooperation with the Member States, shall ensure the dissemination, maintenance and promotion of the CPA, in particular by:
(a)
drafting, updating and publishing explanatory notes relating to the CPA;
(b)
drawing up and publishing guidelines for the application of the CPA;
(c)
publishing tables of correspondence between the new version and the previous version of the CPA; the previous version and the new version of the CPA; and the CPA and the Combined Nomenclature (CN), which is reproduced in Annex I to Council Regulation (EEC) No 2658/87 of 23 July 1987 on the tariff and statistical nomenclature and on the Common Customs Tariff 5; and
(d)
working to improve consistency with other classifications.