564 PARLIAMENTS OF THE DOMINIONS [PART III 
(1) A Minister of State for the Union ; 
(2) A person in receipt of a pension from the Crown : 
(3) An officer or member of His Majesty’s naval or military 
forces on retired or half pay, or an officer or member of the 
naval or military forces of the Union whose services are not 
wholly employed by the Union. 
Under s. 54 if a senator—(a) becomes subject to any of the 
disabilities mentioned in the last preceding section ; or (b) 
ceases to be qualified as required by law; or (c) fails for 
a whole ordinary session to attend without the special leave 
of the Senate, his seat shall thereupon become vacant.! 
2. The provisions of the South Africa Act as to the powers 
of the Senate are as follows :— 
60.—(1) Bills appropriating revenue or moneys or imposing 
taxation shall originate only in the House of Assembly. 
But a Bill shall not be taken to appropriate revenue or 
moneys or to impose taxation by reason only of its containing 
provisions for the imposition or appropriation of fines or 
other pecuniary penalties. 
(2) The Senate may not amend any Bills so far as they 
impose taxation or appropriate revenue or moneys for the 
services of the Government. 
(3) The Senate may not amend any Bill so as to increase 
any proposed charges or burden on the people. 
61. Any Bill which appropriates revenue or moneys for 
the ordinary annual services of the Government shall deal 
only with such appropriation. 
3. The following provision is made in s. 63 of the South 
Africa Act for the cases of disagreement between the two 
Houses — 
63. If the House of Assembly passes any Bill and the 
Senate rejects or fails to pass it or passes it with amendments 
to which the House of Assembly will not agree, and if the 
House of Assembly in the next session again passes the Bill 
with or without any amendments which have been made 
or agreed to by the Senate and the Senate rejects or fails 
to pass it or passes it with amendments to which the House 
of Assembly will not agree, the Governor-General may during 
that session convene a joint sitting of the members of the 
Senate and House of Assembly. The members present ab 
Similar provisions apply to the Lower House. See above, p. 501.