The ISC may determine its own procedure; but this is subject to sub-paragraphs (2) to (5).

If on any matter there is an equality of voting among the members of the ISC, the Chair of the ISC has a second or casting vote.

The Chair of the ISC may appoint another member of the ISC to act, in the Chair's absence, as the chair of the ISC at any meeting of it.

A person appointed under sub-paragraph (3) does not enjoy the right conferred on the Chair of the ISC by sub-paragraph (2).

The quorum of the ISC is three.

The ISC may take evidence on oath, and for that purpose may administer oaths.