No room or area in a dwelling may be used for habitation if more than 1/2 of its floor-to-ceiling height is below the average grade of the adjoining ground and is subject to chronic dampness.
105 CMR, § 410.402
No room or area in a dwelling may be used for habitation if more than 1/2 of its floor-to-ceiling height is below the average grade of the adjoining ground and is subject to chronic dampness.
105 CMR, § 410.402