N.Y. Gen. Bus. Law § 122

§ 122. Station masters, conductors and agents allowed to sell tickets.\nThe provisions of this article do not prevent the station master or\nother ticket agent upon any railway, from selling in his office at any\nstation on such railway, any passage tickets upon such railway; nor do\nthey prevent any conductor upon a railway from selling such tickets upon\nthe trains of such railway.\n