 This change has come primarily due to Basic Safety Standards Directive 2013 (BSSD; also known as European Council Directive 2013/59/Euratom), which all European Union member states are legally required to transpose into their national laws by 2018.The above regulations are specific to the United Kingdom.Whereas the EU and USA are principally governed by the directive 2013/59/Eurotam and The Federal Guidance For Radiation Protection respectively.