8-C-6 When a vacancy or vacancies occur in a Category from which a Pilot(s) has been displaced under the provisions of Section 8-E, the displaced Pilot(s) shall, for a period of 120 days beyond the effective date of his displacement, be offered in order of seniority the vacancy prior to awarding that position under the provisions of Section 8-C-5. This 120 day period is measured from the effective date of the displacement to the date on which the vacancy bulletin is published.