COMMISSION DECISION of 1 March 2012 concerning the national provisions notified by the German Federal Government maintaining the limit values for lead, barium, arsenic, antimony, mercury and nitrosamines and nitrosatable substances in toys beyond the entry into application of Directive 2009/48/EC of the European Parliament and of the Council on the safety of toys (Only the German text is authentic) (Text with EEA relevance) (2012/160/EU)