Disclosures by contracting parties to contractor C
4(1)This paragraph applies where another person (contractor C) is authorised, whether by virtue of an order under section 69 or 70 above or otherwise, to exercise a function of another Minister, office-holder or local authority (authority C).
(2)The enactment or obligation shall not prevent or penalise the disclosure of relevant information by contractor A or an employee of his, or authority A or an authorised officer of that authority, to contractor C or an employee of his if—
(a)the disclosure is necessary or expedient for the purpose of facilitating the exercise of the relevant function, a related function or a function of authority C;
(b)where the disclosure is by contractor A or an employee of his, the disclosure falls within a description of disclosures certified by authority A (whether in the authorisation or otherwise) to be capable of being so necessary or expedient; and
(c)the information could be lawfully disclosed, for that purpose, by authority A to authority C.