522 PARLIAMENTS OF THE DOMINIONS [PART III 
It is also provided by s. 54 that the law which appropriates 
revenue or moneys for the ordinary annual services of the 
Government shall deal only with such appropriation; by s. 55 
that laws imposing taxation shall deal only with the imposi- 
tion of taxation, and any provision therein dealing with any 
other matter shall be of no effect. Under s. 55 laws imposing 
taxation, except laws imposing duties of Customs or of 
Excise, shall deal with one subject of taxation only; but 
laws imposing duties of Customs shall deal with duties of 
Customs only, and laws imposing duties of Excise shall deal 
with duties of Excise only. 
In all other matters except those mentioned in s. 53 of the 
Constitution, the Senate has equal power with the House of 
Representatives. 
3. There are no special provisions for the adjustment of 
differences which may arise between the Senate and the 
House of Representatives with regard to Finance. In any 
case of difference, the procedure laid down in s. 57 of the 
Constitution applies. 
If the House of Representatives passes any proposed law, 
and the Senate rejects or fails to pass it, or passes it with 
amendments to which the House of Representatives will not 
agree, and if after an interval of three months the House 
of Representatives, in the same or the next session, again 
passes the proposed law with or without any amendments 
which have been made, suggested, 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 Representatives 
will not agree, the Governor-General may dissolve the 
Senate and the House of Representatives simultaneously. 
But such dissolution shall not take place within six months 
before the date of the expiry of the House of Representatives 
by effluxion of time. 
If after such dissolution the House of Representatives 
again passes“the proposed law, with or without any amend- 
ments which have been made, suggested, 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 Representatives 
will not agree, the Governor-General may convene a joint