Delegating workers within the framework of service provision in the European Union is defined in the Directive 96/71 EC of the European Parliament and the Council of 16th December 1996 with the subsequent Directive 2014/67/EU of the European Parliament and the Council of 15th May 2014 on the enforcement of the Directive 96/71/EC and the Directive 2018/957 of 28th June 2018 amending the Directive 96/71 EC.