N.Y. Transp. Law § 122

§ 122. Contracts between railroad companies and bus companies owned by\nformer; approval of commissioner. Whenever the commissioner has made an\norder authorizing any street railroad company or railroad company to\nsubstitute the operation of stages, buses or motor vehicles in place of\ncars or trains upon tracks on any portion of the route of such railroad,\nand such company is the owner of all of the capital stock of a bus\ncompany, such street railroad company or railroad company and such bus\ncompany may, subject to the approval of the commissioner, contract for\nthe use of their respective routes, or any part thereof, upon which\nstages, buses or motor vehicles may be operated, and such routes shall\nthereafter be used in such manner and for such time as may be prescribed\nin such contract.\n