903. Protection of witnesses and others before Parliament.

The same protection from arrest or molestation which enables members freely to attend their duties in Parliament1 attaches to witnesses who appear to give evidence before either House of Parliament, or before any parliamentary committee2, and also to counsel, solicitors, agents and others who are engaged upon the business of Parliament. All these persons are protected, by the House upon whose business they are engaged, from arrest or from any other form of molestation3.

An officer of either House is protected from arrest when engaged upon the service of the House to which he belongs, and any interference with him