Aggregation of certain trusts and plans
For purposes of determining the balance to the credit of an employee under clause (i)—
(I)#
all trusts which are part of a plan shall be treated as a single trust, all pension plans maintained by the employer shall be treated as a single plan, all profit-sharing plans maintained by the employer shall be treated as a single plan, and all stock bonus plans maintained by the employer shall be treated as a single plan, and
(II)#
trusts which are not qualified trusts under section 401(a) and annuity contracts which do not satisfy the requirements of section 404(a)(2) shall not be taken into account.