N.Y. Comp. Codes R. & Regs. tit. 18, § 502.4
(c) the name of any other disclosing entity in which a person with an ownership or control interest in the disclosing entity also has an ownership or control interest. This requirement applies to the extent that the disclosing entity can obtain this information by requesting it in writing from the person. The disclosing entity must:
Each provider and fiscal agent must disclose the following information: