Neither notice nor service of process on, nor consent to, any matter in any proceeding is required from:
Notwithstanding subdivisions (1) and (2), if no interested beneficiary, or representative thereof, would otherwise receive notice or provide consent with respect to the matter in question, a representative of an unborn or unascertained person shall act pursuant to § 55-18-9.
Notwithstanding subdivision (5), with respect to the matter in question, notice is required to, or consent is required from, an uninterested beneficiary who does not have a substantially identical interest with one or more interested beneficiaries.
SDCL 55-18-5