Council Directive 2001/23/EC of 12 March 2001 on the approximation of the laws of the Member States relating to the safeguarding of employees' rights in the event of transfers of undertakings, businesses or parts of undertakings or businesses
This Directive shall not affect the right of Member States to apply or introduce laws, regulations or administrative provisions which are more favourable to employees or to promote or permit collective agreements or agreements between social partners more favourable to employees.