R303.3Bathrooms. Mechanical ventilation in accordance with Section M1505 is required for all bathrooms, water closet compartments and similar rooms with a shower or bathtub and such rooms with a toilet. Exhaust air from the space shall be exhausted directly to the outdoors.
Delete R303.3 Bathrooms. - Exception
780 CMR, ch. 51, ch. 3, R301, 301.1, 303.3
Amended by Mass Register Issue 1532, eff. 10/11/2024.