(b) In an account with a POD designation
- (1) on death of one of two or more parties, the rights in sums on deposit are governed by (a) of this section;
- (2) on death of the sole party or the last survivor of two or more parties, sums on deposit belong to the surviving beneficiary or beneficiaries; if two or more beneficiaries survive, sums on deposit belong to them in equal and undivided shares, and there is no right of survivorship in the event of death of a beneficiary after coming into ownership; if no beneficiary survives, sums on deposit belong to the estate of the last surviving party.