E Providing for certain state energy code rules for certain residential buildings to remain in effect and making contractor compliance with certain other rules optional; requiring the department of administration building codes and standards division (BCSD) to report to the legislature by a certain date addressing the cost benefit, air quality, building durability, moisture, enforcement, enforceability and liability relating to the implementation of certain rules, requiring the report to include a feasibility study of establishing new criteria for certain one and two family residences relating to energy efficiency, enforceability and nonmechanical ventilation sufficiency for good air quality maintenance, building durability and adequate release of moisture purposes (mk, ja)