With the Communication 2009/C 309/01, published in the Official Journal of the European Union C 309 of 18 December 2009, the EU Commission informs operators that as of 1th February 2010, windows and external pedestrian door sets will be subject to a mandatory CE marking in all the EU member States, in accordance to the indications laid down in the EN 14351-1 Window Product Standard, that specifies characteristics and performances that such goods must fulfil in order to obtain the CE marking.