You will need to comply with this code if you intend to design, install, operate or maintain a wastewater management system (WMS) inside a building control area.
A WMS is a physical collection of pipes and chambers that receives, treats, and applies domestic wastewater to a land application system or a holding tank. A WMS may comprise an on-site wastewater management system (OWMS) or a community wastewater management system (CWMS).