98 STAT. 864 26 USC 505.
PUBLIC LAW 98-369—JULY 18, 1984 "SEC. 505. ADDITIONAL REQUIREMENTS FOR ORGANIZATIONS DESCRIBED IN PARAGRAPH (9), (17), OR (20) OF SECTION 501(c). "(a) CERTAIN REQUIREMENTS MUST BE MET IN THE CASE OF ORGANIZATIONS DESCRIBED IN PARAGRAPH (9) OR (20) OF SECTION 501(C).— "(1) VOLUNTARY EMPLOYEES' BENEFICIARY ASSOCIATIONS, ETC.—
An organization described in paragraph (9) or (20) of subsection (c) of section 501 which is part of a plan of an employer shall not be exempt from tax under section 501(a) unless such plan meets the requirements of subsection (b) of this section. "(2) EXCEPTION FOR COLLECTIVE BARGAINING AGREEMENTS.—
Paragraph (1) shall not apply to any organization which is part of a plan maintained pursuant to 1 or more collective bargaining agreements between 1 or more employee organizations and 1 or more employers. "(b) NONDISCRIMINATION REQUIREMENTS.—
"(1) IN GENERAL.—Except as provided in paragraph (2), a plan meets the requirements of this subsection only if— "(A) each class of benefits under the plan is provided under a classification of employees which is set forth in the plan and which is found by the Secretary not to be discriminatory in favor of employees who are highly compensated individuals, and "(B) in the case of each class of benefits, such benefits do not discriminate in favor of employees who are highly compensated employees. A life insurance, disability, severance pay, or supplemental unemployment compensation benefit shall not be considered to fail to meet the requirements of subparagraph (B) merely because the benefits available bear a uniform relationship to the total compensation, or the basic or regular rate of compensation, of employees covered by the plan. "(2) EXCLUSION OF CERTAIN EMPLOYEES.—For purposes of paragraph (1), there may be excluded from consideration— "(A) employees who have not completed 3 years of service, "(B) employees who have not attained age 21, "(C) seasonal employees or less than half-time employees, "(D) employees not included in the plan who are included in a unit of employees covered by an agreement between employee representatives and 1 or more employers which the Secretary finds to be a collective bargaining agreement if the class of benefits involved was the subject of good faith bargaining between such employee representatives and such employer or employers, and "(E) employees who are nonresident aliens and who receive no earned income (within the meaning of section 911(d)(2)) from the employer which constitutes income from sources within the United States (within the meaning of section 861(a)(3)). "(3) APPLICATION OF SUBSECTION WHERE OTHER NONDISCRIMINATION RULES PROVIDED.—In the case of any benefit for which a
provision of this chapter other than this subsection provides nondiscrimination rules, paragraph (1) shall not apply but the requirements of this subsection shall be met only if the nondiscrimination rules so provided are satisfied with respect to such benefit.
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