(B) Exception .—In the case of a distribution from a plan that was adopted and in effect prior to December 8, 1994, the present value of any distribution made before the earlier of—
(i) the later of when a plan amendment applying subparagraph (A) is adopted or made effective, or
(ii) the first day of the first plan year beginning after December 31, 1999,
shall be calculated, for purposes of paragraphs (1) and (2), using the interest rate determined under the regulations of the Pension Benefit Guaranty Corporation for determining the present value of a lump sum distribution on plan termination that were in effect on September 1, 1993, and using the provisions of the plan as in effect on the day before December 8, 1994; but only if such provisions of the plan met the requirements of this paragraph as in effect on the day before December 8, 1994.