Teachers shall be entitled to use up to five (5) days of sick leave per year to attend to the illness or injury or emergent medical appointment of that teacher’s parent(s), spouse, spouse’s parents or child. Where such cases occur, and both employees of a particular family member (as identified above) are teachers within scope of his collective agreement, both employees may not access the provisions of this paragraph concurrently except where the family member is a child of the teacher or the other family member (as identified above) is involved in an emergency illness or injury involving hospitalization.