http://www.legislation.gov.uk/uksi/2014/1704/contents/made
The Crime and Courts Act 2013 (Application and Modification of Certain Enactments) Order 2014
en
King's Printer of Acts of Parliament
2016-09-12
NATIONAL CRIME AGENCY
Under sections 9(2) and 10(1) of the Crime and Courts Act 2013 a NCA officer can be designated as a person having the powers and privileges of a constable, the customs powers of an officer of Revenue and Customs and the powers of an immigration officer. This Order modifies the application of certain enactments which confer powers on the police (as well as constables) and immigration officers to enable such powers to be exercised by designated NCA officers.
The Crime and Courts Act 2013 (Application and Modification of Certain Enactments) Order 2014
The Immigration Act 2016 (Consequential Amendments) (Immigration Bail) Regulations 2017