Parliament (Privileges, Immunities and Powers) Act 1962 · 2020 Revised Edition · Part 4 · Powers
27. Arrest without warrant of persons disturbing proceedings
Feedback & supportThe Speaker may order the arrest by an officer of Parliament or a police officer without warrant of any person who creates or joins in any disturbance in Parliament or in the precincts or vicinity thereof when Parliament is sitting.
Speaker
“Speaker” means the Speaker and, in his absence, the Deputy Speaker of Parliament and includes any other Member when such other Member is presiding at a sitting of Parliament or a committee of the whole Parliament;
Any person arrested under subsection (1) may be detained in the custody of an officer of Parliament until the rising of Parliament or until Parliament has dealt with the matter under section 21.
officer of Parliament
“officer of Parliament” means the Clerk or any Assistant Clerk of Parliament, the Serjeant‑at‑Arms and such other officers or persons as may be appointed to the staff of Parliament, and includes any person employed temporarily in Parliament and any police officer acting under the orders of the Speaker, the Clerk or the Serjeant‑at‑Arms;