To manufacturers of precious metals articles, importers or representatives who represent foreign manufacturers of precious metals articles in the market of the Republic of Serbia, Directorate of Measures and Precious Metals has sent a notice of the entry into force of the Regulation on the requirements for obtaining the producer of precious metals articles sign, as well sign of importer or representative, which will take effect from May 1, 2013, as well as of Regulation of state hallmarks for precious metals articles, which will take effect from February 1, 2014, in order to timely harmonize its activities with the provisions of these Regulations.