RETROACTIVE CHANGES IN PLAN.

SEC. 1023. RETROACTIVE CHANGES IN PLAN. Section 401(b) (relating to certain retroactive changes in plan) is amended to read as follows: “(b) Certain Retroactive Changes in Plan.—A stock bonus, pension, profit-sharing, or annuity plan shall be considered as satisfying the requirements of subsection (a) for the period beginning with the date on which it was put into effect, or for the period beginning with the earlier of the date on which there was adopted or put into effect any amendment which caused the plan to fail to satisfy such requirements, and ending with the time prescribed by law for filing the return of the employer for his taxable year in which such plan or amendment was adopted (including extensions thereof) or such later time as the Secretary or his delegate may designate, if all provisions of the plan which are necessary to satisfy such requirements are in effect by the end of such period and have been made effective for all purposes for the whole of such period.”