A financial institution, on request, may pay sums on deposit in an account with a pay on death designation to:

1. 1. One or more of the parties, whether or not another party is a party with disabilities, incapacitated or deceased when the payment is requested and whether or not a party survives another party.
2. 2. The beneficiary or beneficiaries, if proof of death is presented to the financial institution showing that the beneficiary or beneficiaries survived all persons named as parties.
3. 3. The personal representative or, if there is none, the heirs or devisees of a deceased party, if proof of death is presented to the financial institution showing that the deceased party was the survivor of all other persons named on the account either as a party or beneficiary.