(1) The presiding officers are jointly and severally responsible for the control and management of the Parliamentary precincts.
(2) This section does not affect—
(a) the powers of each House to control and manage its own affairs and proceedings; and
(b) the orders of each House in relation to its own affairs and proceedings; and
(c) the powers of each House in relation to the control and management of the parts of the Parliamentary precincts which—
(i) constitute the chamber of the House concerned; or
(ii) are used exclusively or principally for the purposes of the House concerned.