Subject to open - sustany/dvg GitHub Wiki

Also called subject to partial divestment.� An estate is given to a certain class of individuals (eg. a person's� children), one or more of whom must be already ascertained as part of the class and who has satisfied any conditions precedent to vesting.�However, in order to meet the requirements for this estate, other individuals could later be added.� In other words, the class is open.