No statement made by a person in the course of
giving evidence in an inquiry before the Commissioner shall subject him to, or be used against him in,
any civil or criminal proceeding, except a prosecution for giving false evidence by such statement:
Provided that the statement is--
(a) made in reply to a question which is required by the Commissioner to answer; or
(b) relevant to the subject-matter of the inquiry.
Provided that the statement is--
(a) made in reply to a question which is required by the Commissioner to answer; or
(b) relevant to the subject-matter of the inquiry.