Sch 1 para 12
(1) If a person holds a relevant office when the person becomes an NCA officer (the “ existing office ” ), the person's holding of the existing office— (a) is suspended from the time when the person becomes an NCA officer; (b) but is revived if the person— (i) ceases to be an NCA officer, and (ii) returns to service as holder of the existing office. (2) Sub-paragraph (1) ceases to apply to a person who resigns from, or otherwise ceases to hold, the other office. (3) In this paragraph “ relevant office ”, in relation to a person who is an NCA officer, means any other office by virtue of which that person has operational powers (such as the office of constable, officer of Revenue and Customs, or immigration officer), apart from the office of special constable or constable in the Police Service of Northern Ireland Reserve.