Quote:
"R103.3 Alternate materials, design and methods of construction and equipment.This code is not intended to prevent the use of any material or to prohibit any design or method of construction not specifically prescribed by this code, provided that any such alternative has been approved by the code enforcement official or the State Fire Prevention and Building Code Council.
An alternative material, design or method of construction may only be approved when it is determined to comply with the intent of the provisions of this code and be at least equivalent of that prescribed in this code in quality, strength, effectiveness, fire resistance, durability and safety."
You can see the entirety of the NY State Residential Code here: