Any person who shall in virtue of the thirtieth section of the Act of the third and fourth William the Fourth, chapter forty-one, attend the sittings of the Judicial Committee of the Privy Council, shall be deemed to be included as a member of the said Committee for all purposes, and shall, if there be only one such person, be entitled to receive the whole amount of the sums by the said section provided, that is to say, eight hundred pounds for every year during which he shall so attend; but if there shall at any time be two such persons, they shall severally be entitled to the sums provided in the said section.