These Regulations make provision in relation to the entitlement of nationals of the Republic of Croatia (“Croatian nationals”) to reside and work in the United Kingdom on the accession of that State to the European Union (“EU”) on 1st July 2013. They give effect to Annex V to the treaty concerning the accession of the Republic of Croatia to the European Union, signed at Brussels on 9th December 2011. That Annex permits member States to derogate from various provisions of freedom of movement of persons provisions under EU law relating to access to their labour markets by Croatian nationals for a transitional period.