For purposes of determining length of service for a probationary teacher, a teacher employed for 135 consecutive days in any school year shall receive credit for a full year of employment. At least 30 consecutive days of employment in the same district in a successive year shall be sufficient to keep the service intact, and the teacher shall not lose credit for previous probationary years served.
ORS 342.840
342.840 was enacted into law by the Legislative Assembly and was added to 342.805 to 342.937 but was not added to or made a part of any smaller series therein. See Preface to Oregon Revised Statutes for further explanation.