§ 1396. Special rules for plans under section 404(c) of title 26
(a)
Amount of withdrawal liability; determinative factors
In the case of a plan described in subsection (b) of this section—
(1)
if an employer withdraws prior to a termination described in section
1341a
(a)(2) of this title, the amount of withdrawal liability to be paid in any year by such employer shall be an amount equal to the greater of—
(B)
the product of—
(i)
the number of contribution base units for which the employer would have been required to make contributions for the prior plan year if the employer had not withdrawn, multiplied by
(ii)
the contribution rate for the plan year which would be required to meet the amortization schedules contained in section
1423
(d)(3)(B)(ii) of this title (determined without regard to any limitation on such rate otherwise provided by this subchapter)
except that an employer shall not be required to pay an amount in excess of the withdrawal liability computed with interest; and
(2)
the withdrawal liability of an employer who withdraws after December 31, 1983, as a result of a termination described in section
1341a
(a)(2) of this title which is agreed to by the labor organization that appoints the employee representative on the joint board of trustees which sponsors the plan, shall be determined under subsection (c) of this section if—
(A)
as a result of prior employer withdrawals in any plan year commencing after January 1, 1980, the number of contribution base units is reduced to less than 67 percent of the average number of such units for the calendar years 1974 through 1979; and
(c)
Amount of liability of employer; “a year of signatory service” defined
(1)
The amount of an employer’s liability under this paragraph is the product of—
(A)
the amount of the employer’s withdrawal liability determined without regard to this section, and