The CE marking shall be subject to the general principles set out in Article 30 of Regulation (EC) No 765/2008.

The supplementary metrology marking shall consist of the capital letter ‘M’ and the last two digits of the year of its affixing, surrounded by a rectangle. The height of the rectangle shall be equal to the height of the CE marking.

The general principles set out in Article 30 of Regulation (EC) No 765/2008 shall apply, mutatis mutandis, to the supplementary metrology marking.