(1) This rule applies to proceedings in the Supreme Court concerning—
(a) the administration of a deceased person's estate; or
(b) property the subject of a trust; or
(c) the construction of an Act, instrument or other document, involving any matter in which 1 or more people have the same interest or liability.
(2) If a compromise affects a person who is not a party but who has the same interest or liability, and the court is satisfied that the compromise will benefit the person, the court may approve a compromise that—
(a) 1 party has agreed to; or
(b) the court has sanctioned on behalf of the party.
(3) A compromise under subrule (2) binds the person who is not a party unless the court's approval of the compromise has been obtained by fraud or nondisclosure of material facts.