may issue guidance to the relevant bodies about the sort of information which it seeks to obtain from them for the purpose of the assessment by it of the operation of this Part, and

must have regard to information which it obtains from the relevant bodies in relation to the operation of this Part when determining the steps (if any) that could be taken by it for the purpose of ensuring the effectiveness of the operation of this Part.

the Police Service of Northern Ireland,

the Public Prosecution Service for Northern Ireland, and

such additional bodies as the Department considers appropriate.