N.Y. LIE Law § 183

§ 183. Lien of bailee of animals. Any veterinarian, duly licensed to\npractice under the laws of this state, who in connection with such\npractice renders professional services in the treatment of any dog, cat,\nor other domestic animal or boards any such animal on his premises, or a\nperson keeping a livery stable, or boarding stable for animals, or\npasturing or boarding one or more animals, or who in connection\ntherewith keeps or stores any wagon, truck, cart, carriage, vehicle or\nharness, has a lien dependent upon the possession upon each dog, cat or\nother animal kept, pastured or boarded by him, and upon any wagon,\ntruck, cart, carriage, vehicle or harness, of any kind or description,\nstored or kept provided an express or implied agreement is made with the\nowners thereof, whether such owner be a mortgagor remaining in\npossession or otherwise, for the sum due him for the professional\nservice rendered, care, keeping, boarding or pasturing of the animal, or\nfor the keeping or storing of any wagon, truck, cart, carriage, vehicle\nand harness, under the agreement, and may detain the dog, cat or other\nanimal or wagon, truck, cart, carriage, vehicle and harness accordingly,\nuntil such sum is paid.\n