...each of which is introduced by the word "any". The first class consists of "any sale, lease, mortgage, surrender, release, or disposition". Each of these words describes a dispositive act of an owner of property by which the property or some interest in it passes or accrues to another person. Dealings within the first class are thus, of their nature, dealings of a kind engaged in by an owner of property or, as the section recognises, trustees in whom property is vested.
The second class of dealings is defined or delineated by the words "any purchase, investment, acquisition, expenditure, or transaction". Ignoring, for the moment, "transaction", these words concentrate principally on ways of deploying money. That is certainly the case in relation to "purchase", "investment" and "expenditure" and will very often be the case in relation to "acquisition" (for example, subscription for shares or other securities).
"Transaction", of itself, does not imply an outlay of money. Nor should any such limitation be taken to be indicated by the fact that the reference to "transaction" comes immediately after references to "purchase", "investment", "acquisition" and "expenditure". A "transaction" that in fact involves an outlay of money is certainly in contemplation. But so too, in my view, is one that does not...
Although "transaction" is a very wide expression, power for a trustee to effect a particular "transaction" may be supplied by the court only if, in the management or administration of any property vested in the trustee, the "transaction" is, in the court's opinion, "expedient" - that is, according to Dixon J in Riddle v Riddle (at 214), expedient "in the interests of the beneficiaries" or, according to Williams J (at 222), "advantageous", "desirable" or "suitable to the circumstances of the case" but, in every case, with expediency tied to management or administration of trust property.[72]