length represented nearly a doubling in just a decade. During the period of the introduction of the "hostile environment" policy under Prime Minister Theresa May, more than 1,300 changes were made to the Rules in 2012 alone. Former Lord Justice of Appeal Stephen Irwin referred to the complexity of the system as "something of a disgrace", and an effort to gradually overhaul the Rules into a more understandable system began to take place. The England and Wales Law Commission began to make recommendations for clearer rules to be adopted. Contents Part I Regulation of Entry into and Stay in United Kingdom Part II Appeals Part III Criminal Proceedings Part 3A Maritime enforcement Part IV Supplementary Schedule 1 Schedule 2 Administrative Provisions as to Control on Entry etc. Schedule 3 Supplementary Provisions as to Deportation Schedule 4 Integration with United Kingdom Law of Immigration Law of Islands Schedule 4A Enforcement powers in relation to ships Schedule 5 The Adjudicators and the Tribunal Schedule 6 Repeals See also UK labour law British nationality law History of British nationality law Office of the Immigration Services Commissioner Notes Further reading External links United Kingdom Acts of Parliament 1971 Immigration law in the United Kingdom British Indian history Immigration legislation