(m) Employees of an affiliated service group
(1) In general
For purposes of the employee benefit requirements listed in paragraph (4), except to the extent otherwise provided in regulations, all employees of the members of an
affiliated service group shall be treated as employed by a single employer.
(2) Affiliated service groupFor purposes of this subsection, the term “
affiliated service group” means a group consisting of a
service organization (hereinafter in this paragraph referred to as the “first
organization”) and one or more of the following:
(A) any
service organization which—
(i) is a shareholder or partner in the first
organization, and
(ii) regularly performs services for the first
organization or is regularly associated with the first
organization in performing services for third persons, and
(B) any other
organization if—
(3) Service organizations
For purposes of this subsection, the term “
service organization” means an
organization the principal business of which is the performance of services.
(4) Employee benefit requirementsFor purposes of this subsection, the employee benefit requirements listed in this paragraph are—
(A) paragraphs (3), (4), (7), (16), (17), and (26) of section 401(a), and
(B) sections 408(k), 408(p), 410, 411, 415, and 416.
(5) Certain organizations performing management functionsFor purposes of this subsection, the term “
affiliated service group” also includes a group consisting of—
(A) an
organization the principal business of which is performing, on a regular and continuing basis, management functions for 1
organization (or for 1
organization and other
organizations related to such 1
organization), and
(B) the
organization (and
related organizations) for which such functions are so performed by the
organization described in subparagraph (A).
For purposes of this paragraph, the term “
related organizations” has the same meaning as the term
“related persons” when used in section 144(a)(3).
(6) Other definitions For purposes of this subsection—
(B) Ownership In determining ownership, the principles of
section 318(a) shall apply.