"Because of these peculiar characteristics the courts will examine any case of alleged donatio mortis causa and reject it if in truth what is alleged as a donatio is an attempt to make a nuncupative will, or a will in other respects not complying with the forms required by the Wills Act."
“The first requirement is that D should be contemplating his impending death. That means D should be contemplating death in the near future for a specific reason: see the dictum of Farwell J in In re Craven's Estate[1937] Ch 423 ... I do not say that DMC is only available when D is on his deathbed, even though that is the situation in which the doctrine might be said to serve a useful social purpose (provided that no one is taking advantage of D's dire situation). Nevertheless it is clear, on the authorities, that D must have good reason to anticipate death in the near future from an identified cause. It is also clear, on the authorities, that the death which D is anticipating need not be inevitable.”
“This is that D should make an unusual form of gift. It will only take effect if his contemplated death occurs. D reserves the right to revoke the gift at will…In cases where early death is inevitable the law relaxes the requirement that D should specifically require the property if he survives.”
“I turn now to the third requirement. This is that D should deliver “dominion” over the subject matter. Since property will not pass until a future date (if ever) and D has the right to recover the property whenever he chooses, it is not easy to understand what “dominion” actually means. I take comfort from the fact that even chancery lawyers find the concept difficult. Buckley J in In re Beaumont[1902] 1 Ch 889 said that it was “amphibious”