Relating to exemptions from estate tax; prescribing an effective date.

Provides for an additional exemption against Oregon estate tax in order to account for inflation in the calculation of a taxable estate. Adjusts the amount of an exemption based on inflation. Allows an estate to file an amended return seeking a refund based on the operation of the exemption. Applies to the estates of all decedents who die on or after January 1, 2020. Takes effect on the 91st day following adjournment sine die.