Classification of organizations for federal tax purposes., 26 CFR 301.7701-1
Summary
In general. The Internal Revenue Code prescribes the classification of various organizations for federal tax purposes. Whether an organization is an entity separate from its owners for federal tax purposes is a matter of federal tax law and does not depend on whether the organization is recognized as an entity under local law.
Certain joint undertakings give rise to entities for federal tax purposes. A joint venture or other contractual arrangement may create a separate entity for federal tax purposes if the participants carry on a trade, business, financial operation, or venture and divide the profits therefrom. For example, a separate entity exists for federal tax purposes if co- owners of an apartment building lease space and in addition provide services to the occupants either directly or through an agent. Nevertheless, a joint undertaking merely to share expenses does not create a separate entity for federal tax purposes. For ...