Federal Constitution NOTES Art. 57—(cont.) Clause (2)(bb): Added by Act A514, paragraph 6(b), in force from 15-05-1981. Clause (2a) The word “A” substituted for “The” by Act A566, paragraph 9(1)(b), in force from 16-12-1983. Clause (3) a. The present Clause was substituted by Act A514, paragraph 6(c), in force from 15-05-1981, and replaced the earlier Clause which read as follows: “(3) During any absence of the Speaker from a sitting of the House of Representatives the Deputy Speaker or, if he is also absent, such other member as may be determined by the rules of procedure of the House, shall act as Speaker.”. b. The words “one of the Deputy Speakers or, if both the Deputy Speakers are absent or if both their offices are vacant” substituted for the words “the Deputy Speaker or, if the Deputy Speaker is also absent or if his office is also vacant” by Act A566, paragraph 9(1)(c), in force from 16-12-1983. Clause (4): Added by Act 10/1960, section 9, in force from 31-05-1960. Clauses (5) & (6) a. Added by Act A514, paragraph 6(d), in force from 15-05-1981. b. The words “or Deputy Speaker” were deleted by Act A566, paragraph 9(1)(d), in force from 16-12-1983, but were again inserted by Act A1130, section 6, in force from 28-09-2001. c. In the shoulder note, the words “Deputy Speakers” substituted for “Deputy Speaker” by Act A566, paragraph 9(1)(e), in force from 16-12-1983. Note: The amendments made in Clauses (5) and (6) of Article 57 by Act A566 shall apply only to a person elected as a Deputy Speaker of the House of Representatives on or after 16-12-1983.