N.Y. Comp. Codes R. & Regs. tit. 10, § 75.6
(2) Such waiver shall include the effective date, the time period, if any, for which the waiver is granted, the requirement(s) being waived and any other limiting conditions such as types of systems, local conditions or geographical areas where the waiver can be used.
(b) Specific waiver.
The State Commissioner of Health, his designated representative or the designated full-time city, county or part-county health department official, may on written application grant a specific waiver from a provision of this Part, where such waiver is consistent with the general purpose and intent of this Part. The applicant receiving such waiver must be advised in writing if the design or conditions approved do not meet State standards and the potential consequences of such deviations. Systems with a surface discharge are prohibited and are not eligible for a waiver.
(c) Local waiver.
(a) General waiver.