Commonwealth Consolidated Acts Commonwealth Consolidated Acts(1) The sum payable by a bill is a sum certain within the meaning of this Act, although it is required to be paid with, by or according to, as the case requires, any one or more of the following, namely:
(a) interest or bank charges; or
(b) stated instalments; or
(c) stated instalments, with a provision that upon default in payment of any instalment the whole shall become due; or
(d) an indicated rate of exchange, or a rate of exchange to be ascertained as directed by the bill.
(2) Where more than one sum is expressed to be payable in a bill, the lesser or least, as the case may be, of the sums so expressed to be payable shall be taken to be the only sum ordered to be paid by the bill.
(3) Where a bill is expressed to be payable with interest, unless the instrument otherwise provides, interest runs from the date of the bill, and if the bill is undated from the issue thereof.