All products in Vareregisteret must have an article number.Medicines with marketing authorisationPharmaca assigns Nordic article numbers. For further information, see Nordic instructions and country specific information for each of the Nordic countries (VnrWiki).Medicines without marketing authorisation and commoditiesFarmalogg assigns National article numbers. Due to different use of article number series in each of the Nordic countries, it is not possible to have common article numbers in Nordic countries for these products. For further information about the use of article number series in Norway, see country specific information for Norway.