666. Clerk of the Crown in Chancery.

The Clerk of the Crown in Chancery and his deputy are also officers of the House of Lords. The clerk has responsibility (to the Lord Chancellor) for the issue of writs of summons and for the preparation of letters patent creating a peerage and for the preparation of certain documents, including commissions for royal assent and prorogation, by which the monarch's commands are conveyed to the House. He takes a part in the signification by commission of royal assent to Acts of Parliament, and in the introduction of a Clerk of the Parliaments