Regulation (EU) 492/2011 of 5 April 2011 on freedom of movement for workers within the Union, codifying Regulation (EEC) 1612/68 and its successive modifications (Council Regulations 312/76 and 2434/92, and Article 38(1) of Directive 2004/38/EC).
Directive 2004/38/EC of 29 April 2004 on the right of citizens of the Union and their family members to move and reside freely within the territory of the Member States (OJ No L 158, 30 April 2004)
Directive 98/49/EC of 29 June 1998 on safeguarding the supplementary pension rights of employed and self-employed persons moving within the Community (OJ No L 209, 25 July 1998)