Estimated Tax: Underpayment Interest Not Imposed if There is a Casualty, Disaster or Other Unusual Circumstances
Source:
Rule 150-316-0487 — Estimated Tax: Underpayment Interest Not Imposed if There is a Casualty, Disaster or Other Unusual Circumstances, https://secure.sos.state.or.us/oard/view.action?ruleNumber=150-316-0487
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