N.Y. Vehicle & Traffic Law § 462
Whenever used in this article:
14. Notwithstanding the provisions of section one hundred nineteen of this chapter, for purposes of this article the term "house coach" shall mean any vehicle motivated by a power connected therewith or propelled by a power within itself, which is designed to provide temporary living quarters, and which is built onto, as an integral part of, or is permanently attached to a motor vehicle chassis, and contains at least four of the following independent life support systems if each is permanently installed and designed to be removed only for purposes of repair or replacement and meets the standards of the American National Standards Institute for recreation vehicles:
15. "Relevant market area" means: