In the event an expiring policy is renewed with another insurer under common control, as defined in section 107(a)(16) of the Insurance Law, both expiring and renewing insurers under common control shall maintain records, subject to the department's examination, documenting the specific underwriting criteria or other valid business reasons for shifting the policy.
N.Y. Comp. Codes R. & Regs. Tit. 11 § 161.9