(a) On the date shown by the post-office cancellation mark on the envelope or wrapper containing such report or payment.
(b) On the date such report or payment was mailed if the post-office cancellation mark on the envelope or wrapper containing the report or payment is omitted or is not legible or if the report or payment is not received by the department and if the sender establishes to the satisfaction of the department that the report or payment was deposited in the United States mail on or before the date due for filing.
(2) If the date for filing any report or payment required to be filed with the department by ORS 825.474, 825.476, 825.480, 825.484, 825.488, 825.490, 825.492, 825.494 and 825.496 falls on a Saturday, Sunday or legal holiday, a filing shall be considered timely if made on the next business day.
(3) Notwithstanding the provisions of subsection (1)(a) of this section, a report or payment that is required to be filed with the department by ORS 825.474, 825.476, 825.480, 825.484, 825.488, 825.490, 825.492, 825.494 and 825.496 and that is filed by a person whose certificate or permit is suspended under ORS 825.139 (1)(a) for delinquent reporting or paying shall be considered filed on the date it is received by the department. [Formerly 767.810; 1997 c.275 §41]