Section 8.840 - Energy efficiency rating system to be provided by rule - rating system to be applied to all buildings before acquiring or leasing1. The department shall establish, by rule, a state building energy efficiency rating system by July 1, 1994.2. Each building considered for acquisition or lease by the state shall be rated by the department pursuant to the energy efficiency rating system provided in subsection 1 of this section. The division or state agency that proposes to operate the building shall consider and compare the energy efficiency rating and economic efficiency of each building under consideration before contracting for acquisition or lease.L. 1993 S.B. 80, et al. § 8