definitions

definitions Sec. 4001. (a) For purposes of this title, the term— (1) “administrator” means the person or persons described in paragraph (16) of section 3 of this Act; (2) “substantial employer” means for any plan year an employer (treating employers who are members of the same affiliated group, within the meaning of section 1563(a) of the Internal Revenue Code of 1954, determined without regard to section 1563(a)(4) and (e)(3)(C) of such Code, as one employer) who has made contributions to or under a plan under which more than one employer makes contributions for each of— (A) the two immediately preceding plan years, or (B) the second and third preceding plan years, equaling or exceeding 10 percent of all employer contributions paid to or under that plan for each such year; (3) “multiemployer plan” means a multiemployer plan as defined in section 414(f) of the Internal Revenue Code of 1954 (as added by this Act but without regard to whether such section is in effect on the date of enactment of this Act); (4) “corporation”, except where the context clearly requires otherwise, means the Pension Benefit Guaranty Corporation established under section 4002; (5) “fund” means the appropriate fund established under section 4005; (6) “basic benefits” means benefits guaranteed under section 4022 other than under section 4022(c); and 88 Stat. 1004 (7) “non-basic benefits” means benefits guaranteed under section 4022(c). (b) An individual who owns the entire interest in an unincorporated trade or business is treated as his own employer, and a partnership is treated as the employer of each partner who is an employee within the meaning of section 401(c)(1) of the Internal Revenue Code of 1954. For purposes of this title, under regulations prescribed by the corporation, all employees of trades or businesses (whether or not incorporated) which are under common control shall be treated as employed by a single employer and all such trades and businesses as a single employer. The regulations prescribed under the preceding sentence shall be consistent and coextensive with regulations prescribed for similar purposes by the Secretary of the Treasury under section 414(c) of the Internal Revenue Code of 1954.