A written grievance which is not resolved at Step Two within fourteen (14) calendar days of filing or the discussion, whichever is the later, may be referred to the Director of Labor Relations or designee by the Association. The Association may timely refer a written grievance to Step Three at any time within ten (10) calendar days after either the expiration of the fourteen (14) calendar-day time limit or receipt by the Association of the Department Chairperson's written response, if later.