recognized membership of twelve or more persons in the House of Commons, $5,200; ( n ) each of the members occupying the positions of Chair of the Caucus of the Government and Chair of the Caucus of the Opposition in the House of Commons, $10,100; and ( o ) the member occupying the position of Chair of the Caucus of a party that has a recognized membership of twelve or more persons in the House of Commons, $5,200. Marginal note: Subsequent fiscal years (2) Despite section 62, the additional annual allowance that shall be paid for each fiscal year subsequent to March 31, 2005 to a member of the Senate or the House of Commons referred to in subsection (1) is the additional annual allowance for the previous fiscal year plus the amount obtained by multiplying that additional annual allowance by the index described in section 67.1 for the previous calendar year.