When posted to a different member state to replace a worker posted by a different employer, that posted worker is covered by the social security system of his or her place of work, the Court of Justice of the EU ruled in a judgment returned on Thursday 6 September (case C-527/16).
The Austrian company Alpenrind operates an abattoir in Salzburg, where 250 workers posted by the Hungarian company Martimpex worked between 2012 and 2014. These workers replaced workers previously posted by a...