In the event of a change or termination of the Collective Agreement, remuneration may in no case diminish for those already employed. However, integration in CC 66 implies that pay scales apply under the principle of “equal pay for equal work”. The difference in remuneration may result in the granting of a differential indemnity (example: CC Center for the Fight against Cancer). Thus new hires would be paid according to the indices of the new agreement or the wage agreement; for the elders, there would be a continuation of the remuneration by the introduction of a transitional salary differential which decreases as the seniority or other increases. This can mean a blocked wage over several years, even until retirement for some, given the large differences in salaries between the two conventions. With the large gap between old and new wage earners, what becomes the rule: “equal pay for equal work”?