Overview of the different labeling and marking requirements, including any restrictive advertising or labeling practices and where to get more information.
Information on labeling and marking requirements pertaining to Belgium can be found in the European Union Country Commercial Guide,  chapter on Customs, Regulations & Standards, section on Labeling and Marking Requirements: https://www.export.gov/article?id=European-Union-Marking-Labeling-Requirements

Prepared by our U.S. Embassies abroad. With its network of 108 offices across the United States and in more than 75 countries, the U.S. Commercial Service of the U.S. Department of Commerce utilizes its global presence and international marketing expertise to help U.S. companies sell their products and services worldwide. Locate the U.S. Commercial Service trade specialist in the U.S. nearest you by visiting http://export.gov/usoffices.