N.Y. Private Housing Finance Law § 85
1. The commissioner shall fix the maximum rental per room to be charged the tenants of the dwellings furnished by a housing company, the average of such rentals for the dwellings in any project not to exceed the maximum average rental prescribed by law, except as provided in section eighty-seven. Such maximum average rental rate shall be determined upon the basis of the actual final cost of the project containing such rooms so as to secure, together with all other income of the housing company, a sufficient income to meet all necessary payments to be made by said housing company, as hereinafter prescribed, and such room rental rates shall be subject to revision by the commissioner from time to time. The payments to be made by a housing company shall be