Or. Admin. R. 740-055-0045 - Determination of Mailing Date
For reports and payments transmitted through the United States
Postal Service on which the post-office cancellation mark on the envelope or
wrapper containing the report or payment is omitted or is not legible, the
Notes
Stat. Auth.: ORS 184.616, 184.619 & 823.011
Stats. Implemented: ORS 818.225, 825.472 & 825.555
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