24Privileged communications.
In proceedings under section 19 or 20 above evidence of any communication made, other than an assurance given, to the Secretary of State for Employment and Productivity, the Race Relations Board, a conciliation committee or a body of persons to whom a complaint or other matter is referred under Schedule 2 or 3 to this Act, or any officer or servant of the Secretary of State, the Board or such a committee or body, for the purpose of or in connection with the exercise of their functions under this Part of this Act shall not be admitted except with the consent of the person by whom it was made.