COMMISSION DECISION of 18 April 2012 extending the period referred to in Article 114(6) of the Treaty on the Functioning of the European Union in relation to national provisions concerning the maximum admissible content of cadmium in fertilisers notified by the Kingdom of Sweden pursuant to Article 114(5) of the TFEU (notified under document C(2012) 2461) (Only the Swedish text is authentic) (Text with EEA relevance) (2012/230/EU)