(a) Section one, article twenty-two, chapter five, relating to bids for construction contracts by the state and its subdivisions;
(b) Section eleven, article three, chapter five-a, relating to the purchase of supplies and printing by the state;
(c) Section eleven, article one, chapter seven, relating to bids for the purchase of commodities and printing by county commissions;
(d) Sections nineteen and twenty, article four, chapter seventeen, relating to bids for construction and reconstruction of state roads and bridges and the furnishing of materials and supplies therefor;
(e) Article nine-d, chapter eighteen, relating to the awarding of contracts by the school building authority; and
(f) Sections four and five, article five, chapter eighteen-b, relating to expenditures by the governing boards for higher education.