IAPMO TS 12-1997e1 (R2020) Self-Contained, Electrically Operated Recirculation,

This Standard shall govern the manufacture of self-contained, electrically operated, recirculating, chemically controlled toilets, that are equipped with a motor-driven pump, that forces a flushing liquid containing a required chemical from the self-contained tank, through a mechanical self-cleaning type filter, into the peripheral rim of the bowl to flush deposited contaminates from the bowl back into the self-contained tank.