N.Y. LAB Law § 713

§ 713. Limitations. Nothing in this article shall be construed so as\nto interfere with, impede or diminish in any way the right of employees\nto strike or engage in other lawful, concerted activities, except that\nit shall continue to be unlawful for the employees of a non-profitmaking\nhospital or residential care center, or their representatives, or any\nother persons to engage in or to induce or encourage, or to attempt to\nengage in or to induce or encourage any strike, work stoppage, slowdown\nor withholding of goods or services by such employees or other persons\nat such hospital or residential care center, provided, however, that\nnothing herein shall be construed to prohibit publicity, other than\npicketing, for the purpose of truthfully advising the public that a\ngrievance or dispute, as defined in section seven hundred sixteen of\nthis article, exists at such hospital or residential care center, as\nlong as such publicity does not have the effect of inducing any persons\nto withhold goods or services at such hospital or residential care\ncenter.\n It shall be unlawful for a non-profitmaking hospital or residential\ncare center to institute, declare or cause, or to attempt to institute,\ndeclare or cause any lockout of the employees of such hospital or\nresidential care center.\n