Section 38B. The committee on ways and means of each branch of the general court, or the joint committee on ways and means, shall conduct public hearings on all requests and recommendations for appropriations for the executive, judicial and legislative branches of the state government and on all requests and recommendations for capital outlay programs and projects which the governor submits to the general court; provided, however, that in the case of requests and recommendations for appropriations submitted pursuant to section two of Article LXIII of the Amendments to the Constitution and in the case of requests and recommendations for capital outlay programs and projects said committee shall give five days public notice prior to holding such public hearings.