(2) Notwithstanding subsection (1) of this section, if it appears to the court that a parent or guardian required to be served by ORS 419C.306 was not served as provided in ORS 419C.309, 419C.312 and 419C.315, or was served on such short notice that the parent or guardian did not have a reasonable opportunity to appear at the time fixed, the court shall, upon petition by the parent or guardian, reopen the case for full consideration. [1993 c.33 §210; 2021 c.597 §74]