Restriction as to the Accumulation and the Reoccupation of Offices Lastly, further seriously felt restrictions of the magistracy were involved in the prohibition issued in 412 against the accumulation of the ordinary curule offices, and in the enactment of the same date, that the same person should not again administer the same office under ordinary circumstances before an interval of ten years had elapsed, as well as in the subsequent regulation that the office which practically was the highest, the censorship, should not be held a second time at all (489). But the government was still strong enough not to be afraid of its instruments or to desist purposely on that account from employing those who were the most serviceable. Brave officers were very frequently released from these rules[16], and cases still occurred like those of Quintus Fabius Rullianus, who was five times consul in twenty-eight years, and of Marcus Valerius Corvus (384-483) who, after he had filled six consulships, the first in his twenty-third, the last in his seventy-second year, and had been throughout three generations the protector of his countrymen and the terror of the foe, descended to the grave at the age of a hundred. The Tribunate of the People as an Instrument of Government While the Roman magistrate was thus more and more completely and definitely transformed from the absolute lord into the limited commissioner and administrator of the community, the old counter-magistracy, the tribunate of the people, was undergoing at the same time a similar transformation internal rather than external. It served a double purpose in the commonwealth. It had been from the beginning intended to protect the humble and the weak by a somewhat revolutionary assistance (