N.Y. Comp. Codes R. & Regs. tit. 11, § 71.3
(c) The percentage limitation specified in subdivisions (a) and (b) of this section may be omitted if the policy provides that the insured shall have the option to:
(d) A legal defense cost offset provision as specified in subdivision (a) or (b) of this section may be included in a liability policy only for the following types of risks or coverages, and only where the per occurrence liability limits for all liability risks and coverages under the policy are at least:
(1) $100,000:
(2) $500,000:
(3) $1 million: hospital medical malpractice liability, for renewals only, if the expiring policy contained approved legal defense cost offset provisions.
(e)
(1) A liability insurance policy containing a provision that reduces the limits of liability stated in the policy by the costs of legal defense, or permits offsets against the deductible by the costs of legal defense, and which meets the requirements of paragraph (2) of this subdivision, may be issued or renewed in this State if the policy:
(2) Any policy issued or renewed pursuant to this subdivision must comply with all the provisions of this Part except: