N.Y. Comp. Codes R. & Regs. tit. 10, § 86-4.28
(a) A related organization shall be defined as any entity which controls the facility or which the facility controls, either directly or indirectly, or an organization or institution whose actions or policies the facility has the power, directly or indirectly, to significantly influence or direct, or a special purpose organization or where an association of material interest exists in an entity which supplies goods and/or services to the facility, or any entity which is controlled directly or indirectly by the immediate family of the operator. Immediate family shall include each parent, child, spouse, brother, sister, first cousin, aunt and uncle, whether such relationship arises by reason of birth, marriage or adoption. A special purpose organization shall be defined as an organization which is established to conduct certain of the facility's patient-care-related or nonpatient-care related activities. The special purpose organization shall be considered to be related if:
(2) the facility is, for all practical purposes, the sole beneficiary of the special organization's activities. The facility shall be considered the special purpose organization's sole beneficiary if one or more of the three following circumstances exist: