38 CFR § 36.4207 - Manufactured home standards.
(a) Meet the following dimensional requirements.
(1) A single-wide unit must be a minimum of ten (10) feet wide and have a minimum floor area of four hundred (400) square feet.
(2) A double-wide unit, when assembled, must be a minimum of twenty (20) feet wide and have a minimum floor area of seven hundred (700) square feet.
(b) Be so constructed as to be towed on its own chassis and undercarriage and/or independent undercarriage;
(c) Contain living facilities for year around occupancy by one family, including permanent provisions for heat, sleeping, cooking, and sanitation; and