(7) Special rule for certain organizations (A) In general In the case of a qualified employee of a qualified organization, with respect to employer contributions described in paragraph (3)(C) made by such organization, the limitation of paragraph (1) for any taxable year shall be increased by whichever of the following is the least: (i) $3,000, (ii) $15,000 reduced by the sum of— (I) the amounts not included in gross income for prior taxable years by reason of this paragraph, plus (II) the aggregate amount of designated Roth contributions (as defined in section 402A(c) ) permitted for prior taxable years by reason of this paragraph, or (iii) the excess of $5,000 multiplied by the number of years of service of the employee with the qualified organization over the employer contributions described in paragraph (3) made by the organization on behalf of such employee for prior taxable years (determined in the manner prescribed by the Secretary). (B) Qualified organization For purposes of this paragraph, the term “qualified organization” means any educational organization, hospital, home health service agency, health and welfare service agency, church, or convention or association of churches. Such term includes any organization described in section 414(e)(3)(B)(ii). Terms used in this subparagraph shall have the same meaning as when used in section 415(c)(4) (as in effect before the enactment of the Economic Growth and Tax Relief Reconciliation Act of 2001). (C) Qualified employee For purposes of this paragraph, the term “qualified employee” means any employee who has completed 15 years of service with the qualified organization. (D) Years of service For purposes of this paragraph, the term “years of service” has the meaning given such term by section 403(b).