N.Y. RRD Law § 173-D

§ 173-d. Whenever any street surface railroad is or may be operated\nalong or upon any of the streets, roads, highways, avenues, parks or\npublic places of any city, town or village, as to the construction and\noperation of which railroad the conditions set forth in section one\nhundred and seventy-one of this article have been complied with, or as\nto which such conditions are inapplicable, every such city, town or\nvillage shall have power to amend any existing license, grant, franchise\nor permit, or any of the terms, provisions or conditions thereof,\nwhether granted by municipal authority or directly or indirectly by the\nstate or otherwise, or any consent of local authorities, or any of the\nterms, provisions or conditions thereof, relating to the construction\nand operation of such railroad; and every city, town and village of this\nstate shall have power by amendment to incorporate in any such license,\ngrant, franchise, permit or consent all or any of the terms, agreements,\nstipulations and conditions of a terminable permit as herein authorized\nand defined; provided, however, that the amendment of any such license,\ngrant, franchise, permit or consent shall only be made with the consent\nand agreement of the person, firm or corporation owning such license,\ngrant, franchise, permit or consent or operating the street surface\nrailroad thereunder.\n