A teacher shall retain but not accrue seniority if the teacher is:
A. on leave of absence in excess of thirty (30) calendar days;
B. laid off for a period of time less than that set out in Article 22.11 (c.) hereof;
C. absent because of illness or accident for more than the maximum number of days accumulated under the provisions of the Collective Agreement;
D. sabbatical leave;
E. absent because the Division has granted more parenting leave than required by the Employment Standards Act.