1. 1. By January 1, 1995, the department, in consultation with the division and the voluntary working group created in subsection 1 of section 8.815, shall establish, by rule, a minimum energy efficiency standard for construction of a state building, substantial renovation of a state building when major energy systems are involved or a building which the state or state agency considers for acquisition or lease. Such standard shall be at least as stringent as the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) Standard 90, latest revision.
2. 2. All design which is initiated on or after July 1, 1995, for construction of a state building or substantial renovation of a state building when major energy systems are involved or any building which the state or state agency considers for acquisition or lease after July 1, 1995, shall meet applicable provisions of the minimum energy efficiency standard.

(L. 1993 H.B. 195 § 4 subsecs. 3, 4)