N.Y. Insurance Law § 1308
(a)
(2)
(b) In determining the ceding insurer's financial condition, if reinsurance is effected by the ceding insurer in any assuming insurer, the ceding insurer shall, in addition to any credit allowed against its loss reserves, and any reduction of reserves allowed pursuant to paragraph nine of subsection (a) of section one thousand three hundred one of this article for reinsurance recoverable from insurers not authorized in this state, receive credit for reinsurance effected with any assuming insurer authorized to do such business in this state, calculated as follows:
(d) In determining its financial condition, any assuming insurer shall be charged:
(e)
(1) During any period of twelve consecutive months, without the superintendent's permission:
(3) If any agreement or agreements at any time effect reinsurance of substantially all of the net insurance in force of such ceding insurer, no credit by way of deduction pursuant to subsection (b) hereof shall be allowed to such ceding insurer, unless either:
(f)
(1) Unless the superintendent permits: