N.Y. Transp. Law § 147

§ 147. Dogs accompanying persons with a disability. Subject to such\nrules and regulations as the commissioner may prescribe, all common and\ncontract carriers of passengers by motor vehicle shall permit a guide\ndog, hearing dog or service dog as defined in section forty-seven-b of\nthe civil rights law accompanying a person with a disability, as defined\nin subdivision twenty-one of section two hundred ninety-two of the\nexecutive law, to accompany, to guide, or otherwise to aid such person,\nto ride on all vehicles operated for transportation and no charge shall\nbe made for the transportation of such dog.\n