These Regulations implement Council Directive 91/440/EEC dated 29 July 1991 on the development of the Community’s railways, as amended by Directive 2001/12/EC dated 26 February 2001 and Directive 2004/51/EC dated 29 April 2004, both of the European Parliament and of the Council, and Council Directive 2001/14/EC dated 26 February 2001 on the allocation of railway infrastructure capacity and the levying of charges for the use of railway infrastructure, as amended by Directive 2004/49/EC dated 29 April 2004 on safety on the Community’s railways, both of the European Parliament and of the Council. With noted exceptions relating to amendments to primary legislation, these Regulations do not apply to Northern Ireland.