(a) The director shall promulgate and adopt standard specifications based on scientific and technical data for appropriate commodities and services, which shall establish the quality to which commodities to be purchased and services to be contracted for by the state must conform.
(b) Standard specifications shall apply to every future purchase of or contract for the commodities or services described in the specifications and shall include information relating to the cost of maintenance and expected life of the commodity if the director determines there are nationally accepted industry standards for the commodity.
(c) No purchases by any spending unit may be exempt from compliance with the standard specifications so established, but the director may exempt the purchase of particular items from the standard specifications if it is considered necessary and advisable.
(d) The director shall update the standard specifications, as necessary.