following new subparagraph: (H) Special rules for certain defined contribution plans (i) In general In the case of distributions from a defined contribution plan, a trust forming part of such plan shall not constitute a qualified trust under this section unless the plan provides that, if an employee dies before the distribution of the employee’s interest (whether or not such distribution has begun in accordance with subparagraph (A)), so much of the entire interest of any designated beneficiary of the employee as exceeds $400,000 (as of the date of the death of the employee) will be distributed within 5 years after the death of such employee. (ii) Annual allocation of limitation If a person is a designated beneficiary under more than 1 defined contribution plan during any calendar year, the limitation under clause (i)— (I) shall only apply with respect to interests acquired by such beneficiary during the calendar year by reason of the death of another individual, (II) shall be applied by aggregating each such interest as of the date of the death of the individual who designated such beneficiary, and (III) shall be allocated among each such interest on a pro rata basis determined by the relative size of each such plan or account, or as otherwise provided in regulations prescribed by the Secretary. (iii) Treatment of remaining amount The method of distribution and period of time over which any portion of the interest of the designated beneficiary to which clause (i) does not apply is distributed shall be determined without regard to the portion of the designated beneficiary’s interest distributed under clause (i). (iv) Exception for eligible designated beneficiaries If— (I) any portion of the employee’s interest is payable to (or for the benefit of) an eligible designated beneficiary, (II) such portion will be distributed (in accordance with regulations) over the life of such eligible designated beneficiary (or over a period not extending beyond the life expectancy of such beneficiary), and (III) such