Tex. Transp. Code § 623.091

In this subchapter, "manufactured house" means "industrialized building" as defined by Chapter 1202, Occupations Code, "industrialized housing" as defined by Chapter 1202, Occupations Code, or "manufactured home" as defined by Chapter 1201, Occupations Code. The term includes a temporary chassis system or returnable undercarriage used for the transportation of a manufactured house and a transportable section of a manufactured house that is transported on a chassis system or returnable undercarriage and that is constructed so that it cannot, without dismantling or destruction, be transported within the legal size limits for a motor vehicle.