(1) Subject to subsections ( 2) and (3), an order to pay is an order to pay on demand if:
(a) the order is expressed to require payment on demand, at sight or on presentation; or
(b) no time for payment is expressed in the instrument containing the order.
(2) Subject to subsection 16(3), an order to pay is not an order to pay on demand if the order is expressed to require, or requires by implication, payment otherwise than on demand, at sight or on presentation.
(3) Without limiting the generality of subsection ( 2), an order to pay is not an order to pay on demand if the order is expressed to require, or requires by implication, payment only:
(a) at or before a particular time; or
(b) where the instrument containing the order is presented at or before a particular time.