s 39 Presiding Officer.
(1) Each Assembly shall as its first business elect from among its members a Presiding Officer and deputies. (2) A person elected Presiding Officer or deputy shall hold office until the conclusion of the next election for Presiding Officer under subsection (1) unless— (a) he previously resigns; (b) he ceases to be a member of the Assembly otherwise than by virtue of a dissolution; or (c) the Assembly elects from among its members a person to hold office as Presiding Officer or deputy in his place. (3) If the Presiding Officer or a deputy ceases to hold office (otherwise than under subsection (2)(c)) before the Assembly is dissolved, the Assembly shall elect another from among its members to fill his place. (4) The Presiding Officer’s functions may be exercised by a deputy if the office of Presiding Officer is vacant or the Presiding Officer is for any reason unable to act. (5) The Presiding Officer may (subject to standing orders) authorise a deputy to exercise functions on his behalf. (6) Standing orders may include provision as to the participation (including voting) of the Presiding Officer and deputies in the proceedings of the Assembly. (7) A person shall not be elected under subsections (1) to (3) without cross-community support.