43. A member of staff must not, without the authorisation of the Secretary of State, communicate with any person who the member of staff knows to be—
(a)a person formerly detained at a short-term holding facility or removal centre,
(b)a relative or friend of a person detained at a short-term holding facility or removal centre, or
(c)a relative or friend of a person formerly detained at a short-term holding facility or removal centre,
in such a way as could be seen to compromise that member of staff in the execution of their duty or the safety, security or control of the short-term holding facility.