(a) For the purposes of this section, a "recreational park trailer" is a transportable unit that has a body width not exceeding 14 feet and which is built on a single chassis and is designed to provide seasonal or temporary living quarters when connected to utilities necessary for operation of installed fixtures and appliances. The total area of the unit in a setup mode, when measured from the exterior surface of the exterior stud walls at the level of maximum dimensions, not including any bay window, may not exceed 400 square feet when constructed to ANSI A-119.5 standards. The length of a recreational park trailer means the distance from the exterior of the front of the body nearest to the drawbar and coupling mechanism to the exterior of the rear of the body at the opposite end of the body including any protrusions.

(b) Any recreational park trailer manufactured for sale in this state shall be constructed in compliance with ANSI A-119.5 standards for park trailers. A recreational park trailer shall be deemed to be constructed in compliance with ANSI A-119.5 standards if the manufacturer submits to independent third-party plant inspections to assure compliance. A recreational park trailer manufactured by a manufacturer that is subject to independent third-party inspections and which is eligible to bear the seal of the Recreational Park Trailer Industry Association certifying that the manufacturer is in compliance with the ANSI A-119.5, shall be considered to meet the requirements of this section. Any other third-party plant inspection program shall be approved by the State Fire Marshal.

(c) A recreational park trailer that meets the requirements of this section is not a mobile home or otherwise subject to regulation by the Manufactured Housing Commission.