Commission Implementing Decision (EU) 2018/257 of 19 February 2018 granting derogations to certain Member States with respect to the transmission of statistics pursuant to Regulation (EC) No 1338/2008 of the European Parliament and of the Council, as regards statistics based on the European Health Interview Survey (EHIS) (notified under document C(2018) 832) (Text with EEA relevance. )