(1) A person summoned to attend to give evidence or to produce a paper, book, record or other document before Parliament, shall be entitled, in respect of his evidence, or the production of the document, as the case may be, to the same privileges as if he were appearing before a court.

(2) A public officer shall not be required to produce before Parliament a document where—

(a) the Speaker certifies—

(i) that the document belongs to a class of documents, the production of which is injurious to the public interest; or

(ii) that disclosure of the contents of the document will be injurious to the public interest; or

(b) the National Security Council certifies—

(i) that the document belongs to a class of documents, the production of which is prejudicial to the security of the State; or

(ii) that disclosure of the contents of the document will be prejudicial to the security of the State.

(3) Where there is a doubt as to the nature of a document such as is referred to in clause (2) of this article, the Speaker or the National Security Council, as the case may be, shall refer the matter to the Supreme Court for determination whether the production, or the disclosure of the, contents, of the document would be injurious to the public interest or, as the case may be, prejudicial to the security of the State.

(4) An answer by a person to a question put by Parliament shall not be admissible in evidence against him in any civil or criminal proceedings out of Parliament, except proceedings for perjury brought under the criminal law.