Each member of the Legislature shall receive, in addition to the basic compensation provided for in section two of this article, additional compensation of $150 per day for each day of attendance in person upon any business of the Senate or House of Delegates, as the case may be, on each day upon which the Senate or House of Delegates is actually called to order during each extension of regular session or during extraordinary session of the Legislature. The additional compensation shall be paid from time to time during any extended session or extraordinary session, as prescribed by rules established by the Legislative Auditor.