N.Y. Comp. Codes R. & Regs. tit. 19 § 201.8
Every cemetery corporation shall be available for interments at least six days per week (legal holidays excluded) as set forth in the cemetery's regulations or in accordance with its practices, except as otherwise ordered by the Cemetery Board. Any cemetery which maintains and designates a burial section for persons of a particular religious belief must remain available for grave openings and interments Sunday through Friday or other six-day period in accordance with the religious and/or ethnic traditions of the persons interred in said religious section. Nothing herein shall require a cemetery to provide grave openings and/or interments if they are otherwise unable to do so as a direct consequence of severe weather conditions or other similar conditions.
N.Y. Comp. Codes R. & Regs. Tit. 19 § 201.8