Sch 3 para 1
(1) It is the duty of NCA officers to co-operate with the persons listed in sub-paragraph (3) for the purpose of assisting those persons in their activities to combat crime. (2) It is the duty of— (a) the persons listed in sub-paragraph (3), (b) members of Her Majesty's armed forces, and (c) members of Her Majesty's coastguard, to co-operate with NCA officers for the purpose of assisting NCA officers in the discharge of any NCA function. (3) The persons mentioned in sub-paragraphs (1) and (2)(a) are— (a) constables in UK police forces; (b) officers of Revenue and Customs; (c) immigration officers; (d) designated customs officials (within the meaning of Part 1 of the Borders, Citizenship and Immigration Act 2009); (e) members of the Serious Fraud Office; (f) any other persons operating in England, Scotland, Northern Ireland or Wales charged with the duty of investigating organised crime or serious crime.