§ 4231.7 De minimis mergers and transfers.

(a) Special plan solvency rule. The determination of whether a de minimis merger or transfer satisfies the plan solvency requirement in § 4231.6(a) may be made without regard to any other de minimis mergers or transfers that have occurred since the most recent actuarial valuation.

(b) De minimis merger defined. A merger is de minimis if the present value of accrued benefits (whether or not vested) of one plan is less than 3 percent of the other plan's fair market value of assets.

(c) De minimis transfer defined. A transfer of assets or liabilities is de minimis if—