N.Y. Comp. Codes R. & Regs. tit. 18, § 485.14
(b) An operator shall not restrict or prohibit access to the facility by:
(3) an employee or representative of any public or private not-for-profit corporation, community organization or association whose primary purposes for visiting include assisting residents in resolving problems and complaints concerning their care and treatment, and in securing adequate services to meet their needs.
The operator shall make available a common area of the facility for such visits.
(i) If the operator denies access for reasonable cause, the operator shall: