The Proposed Marriages and Civil Partnerships (Conduct of Investigations, etc.) Regulations 2015
These Regulations make provision for the conduct of investigations into proposed marriages and civil partnerships referred to the Secretary of State under the Marriage Act 1949 (c. 76) (in England and Wales), the Marriage (Scotland) Act 1977 (c. 15), the Marriage (Northern Ireland) Order 2003 (S.I. 2003/413 NI 3) and Part 1, 3 or 4 of the Civil Partnership Act 2004 (c. 33). Where a proposed marriage or civil partnership is referred to her, the Secretary of State must decide whether or not to investigate whether it is a sham (and serve a notice under section 48 of the Immigration Act 2014 (c. 22) of her decision).