CREDIT OR REFUND OF SELF-EMPLOYMENT TAX.

SEC. 239. CREDIT OR REFUND OF SELF-EMPLOYMENT TAX. Section 6511 (relating to limitations on credit or refund) is amended by adding at the end of subsection (d) the following new paragraph: “(5) Special period of limitation with respect to self-employment tax in certain cases.—If the claim for credit or refund relates to an overpayment of the tax imposed by chapter 2 (relating to the tax on self-employment income) attributable to an agreement, or mollification of an agreement, made pursuant to section 218 of the Social Security Act (relating to coverage of State and local employees), and if the allowance of a credit or refund of such overpayment is otherwise prevented by the operation of any law or rule of law other than section 7122 (relating to compromises), such credit or refund may be allowed or made if claim therefor is filed on or before the later of the following dates: (A) the last day of the second year after the calendar year in which such agreement (or modification) is agreed to by the State and the Secretary of Health, Education, and Welfare, or (B) December 31, 1965.”