Part 4 of the Immigration Act 2014 (c. 22) establishes a scheme for the referral of proposed marriages and civil partnerships in England and Wales to the Secretary of State. Part 4 was extended to cover proposed marriages and civil partnerships in Scotland and Northern Ireland by the Referral and Investigation of Proposed Marriages and Civil Partnerships (Scotland) Order (S.I. 2015/xxxx) and the Referral and Investigation of Proposed Marriages and Civil Partnerships (Northern Ireland and Miscellaneous Provisions) Order (S.I. 2015/xxxx).