(a) In addition to the basic and any additional compensation provided for in sections two, three and four of this article, each member shall receive interim compensation of $150 per day for each day actually engaged in the performance of interim duties as a member of any interim committee between regular sessions of the Legislature: Provided, That the total additional interim compensation payable to any member and his or her replacement, if any, on a committee or commission under the provisions of this subsection shall not exceed the sum of $4,500 per calendar year.
(b) In addition to the basic and any additional compensation provided for in sections two, three and four of this article and subsection (a) of this section, each member shall receive interim compensation of $150 per day for each day actually engaged in the performance of legislative duties at a meeting of any statutorily created legislative committee which meets between regular sessions of the Legislature and outside of regular interim meetings when authorized by the committee co-chairs and approved by the President of the Senate and the Speaker of the House of Delegates, not to exceed fifteen days per calendar year.