This is the first Commencement Order bringing into force provisions of the Civil Aviation Act 2012 (c 19). The provisions listed in article 2 are brought into force on 6th April 2013 (though in relation to the repeal of Part IV of the Airports Act 1986 for limited purposes only), and those listed in article 5 on 1st April 2014. Article 3 makes modifications for transition purposes during the interim period to Part IV of the Airports Act 1986. Articles 4 and 6 make savings provision in respect of the revocation of Part IV (Economic Regulation of Airports) of the Airports (Northern Ireland) Order 1994 for Northern Ireland and repeal of Part IV (Economic Regulation of Airports) of the Airports Act 1986 for England and Wales and Scotland.