Ill STAT. 798 PUBLIC LAW l©5-34—AUG. 5, 1997 " (4) UNUSED CREDIT TO BE REFUNDABLE.— If the amount of the credit under paragraph (1)(B) exceeds the amount of the credit under paragraph (1)(A), such excess shall be treated as a credit to which subpart C applies. The rule of section 32(h) shall apply to such excess. "(5) SOCIAL SECURITY TAXES.—For purposes of paragraph (3)— "(A) IN GENERAL.— The term 'social security taxes' mesins, with respect to any taxpayer for any taxable year— "(i) the amount of the taxes imposed by sections 3101 and 3201(a) on amounts received by the taxpayer during the calendar year in which the taxable year begins, "(ii) 50 percent of the taxes imposed by section 1401 on the self-employment income of the taxpayer for the taxable year, and "(iii) 50 percent of the taxes imposed by section 3211(a)(1) on amounts received by the taxpayer during the calendar year in which the taxable year begins. "(B) COORDINATION WITH SPECIAL REFUND OF SOCLVL SECURITY TAXES.— The term 'social security taxes' shall not include any taxes to the extent the taxpayer is entitled to a special refund of such taxes under section 6413(c). "(C) SPECIAL RULE.—Any amounts paid pursuant to an agreement under section 3121(1) (relating to agreements entered into by American employers with respect to foreign affiliates) which are equivalent to the taxes referred to in subparagraph (A)(i) shall be treated as taxes referred to in such subparagraph. "(e) IDENTIFICATION REQUIREMENT.—No credit shall be allowed under this section to a taxpayer with respect to any qualifying child unless the taxpayer includes the name and taxpayer identification number of such qualifying child on the return of tax for the taxable year. "(f) TAXABLE YEAR MUST BE FULL TAXABLE YEAR. —Except in the case of a taxable year closed by reason of the death of the tgixpayer, no credit shall be allowable under this section in the case of a taxable year covering a period of less than 12 months.", (b) SUPPLEMENTAL CREDIT.—Section 32 is amended by adding at the end the following new subsection: " (m) SUPPLEMENTAL CHILD CREDIT. — "(1) IN GENERAL.—In the case of a taxpayer with respect to whom a credit is allowed under section 24 for the taxable year, there shall be allowed as a credit under this section an amount equal to the supplemental child credit (if any) determined for such taxpayer for such taxable year under paragraph (2). Such credit shall be in addition to the credit allowed under subsection (a). "(2) SUPPLEMENTAL CHILD CREDIT. —For purposes of this subsection, the supplemental child credit is an amount equal to the excess (if any) of— " (A) the amount determined under section 24(d)(1)(A), over "(B) the amount determined under section 24(d)(1)(B). The amounts referred to in subparagraphs (A) and (B) shall be determined as if section 24(d) applied to all taxpayers.
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