The Royal Ulster Constabulary (Conduct) Regulations 2000

Confidentiality

8.  Information which comes into the possession of the police should be treated as confidential. It should not be used for personal benefit and nor should it be divulged to other parties except in the proper course of police duty. Similarly, officers should respect, as confidential, information about force policy and operations unless authorised to disclose it in the course of their duties.