17 CFR 240.15a-2: a-2 Exemption of certain securities of cooperative apartment houses from section 15(a).

Shares of a corporation which represent ownership, or entitle the holders thereof to possession and occupancy, of specific apartment units in property owned by such corporations and organized and operated on a cooperative basis are hereby exempted from the operation of section 15(a) of the Securities Exchange Act of 1934, when such shares are sold by or through a real estate broker licensed under the laws of the political subdivision in which the property is located.