Doors to single user toilet rooms may swing into the room if the door has a self-closing device and maneuvering space is provided in accordance with 521 CMR 26.6. The door may swing into the room if there is a clear floor space of 30 inches by 48 inches (30" = 762mm by 48" = 1219mm) beyond the swing of the door.
521 CMR, § 30.4