- (a) Construction plans. A plan that primarily covers employees in the building and construction industry must use the presumptive method for allocating unfunded vested benefits, except as provided in §§ 4211.11(b) and 4211.21(b).
- (b) Code section 404(c) plans. A plan described in section 404(c) of the Code or a continuation of such a plan must use the rolling-5 method for allocating unfunded vested benefits unless the plan sponsor, by amendment, adopts an alternative method or modification.
[86 FR 1271, Jan. 8, 2021]