Key facts: Oregon estate tax applies to estates exceeding $50,000 in total value; the tax is paid from estate assets before distribution rather than by beneficiaries directly; Oregon estate tax returns must be filed within nine months of death with possible extensions available; the 30-day waiting period establishes minimum procedural requirements for probate actions; estate representatives may face personal liability for failing to properly administer tax obligations; interest accrues on unpaid estate taxes from the due date; all asset valuations must be documented and are subject to potential audit review by the Oregon Department of Revenue.