(c) if he has completed twenty-five years service, an annual sum equal to thirty-fiftieths of the annual pay and allowances of which he was in receipt on retirement with an addition of one-fiftieth of the annual pay and allowances for every year of service over twenty-five years, but the annual pension shall not exceed two-thirds of his annual pay and allowances at his retirement.
c) s’il a servi pendant vingt-cinq ans révolus, une somme annuelle égale aux trente cinquantièmes des solde et allocations annuelles qu’il recevait lors de sa retraite, avec addition d’un cinquantième des solde et allocations annuelles pour chaque année de service en sus de vingt-cinq ans, sans que la pension annuelle puisse excéder les deux tiers des solde et allocations annuelles lors de sa retraite.