1. Obligations to building owner
* Prevention of heat loss through external walls and windows.
* Efficient utilization of energy for air conditioners, ventilation systems, lighting, water heaters, elevators.
* Owners of specified buildings should report on energy saving measures before the construction.
(specified buildings : other than housings, with floor space of 2,000m2 or more)

This article was added and enforced in April 2003

2.Guidance and standards for the building owners on building design and construction.