Page 231

107 STAT. 542 PUBLIC LAW 103-66—AUG. 10, 1993 no interest shall be allowed on such overpayment from the date the claim is filed imtil the day the refund is made. "(3) IRS INITIATED ADJUSTMENTS.—If an adjustment initi- ated by the Secretary, results in a refund or credit of an overpa3rment, interest on such overpayment shall be computed by subtracting 45 days from the number of days interest would otherwise be allowed with respect to such overpayment." 26 use 6611 (b) EFFECTIVE DATES.— "°^® (1) Paragraph (1) of section 6611(e) of the Internal Revenue Code of 1986 (as amended by subsection (a)) shall apply in the case of returns the due date for which (determined without regard to extensions) is on or after January 1,1994. (2) Paragraph (2) of section 6611(e) of such Code (as so amended) shall apply in the case of claims for credit or refund of any overpajrment filed on or after January 1,1995, regardless of the taxable period to which such refund relates. (3) Paragraph (3) of section 6611(e) of such Code (as so amended) shall apply in the case of any refund paid on or after January 1, 1995, regardless of the taxable period to which such refund relates. SEC. 13272. DENIAL OF DEDUCTION RELATING TO TRAVEL EXPENSES. (a) IN GENERAL.—Section 274(m) (relating to additional limita- 26 use 274. tions on travel expenses) is amended by adding at the end thereof the following new paragraph: **(3) TRAVEL EXPENSES OF SPOUSE, DEPENDENT, OR OTH- ERS.—^No deduction shall be allowed under this chapter (other than section 217) for travel expenses paid or incurred with respect to a spouse, dependent, or other individual accompany- ing the taxpayer (or an officer or employee of the taxpayer) on business travel, iinless— "(A) the spouse, dependent, or other individual is an employee of the taxpayer, "(B) the travel of the spouse, dependent, or other individual is for a bona fide business purpose, and "(C) such expenses would otherwise be deductible by the spouse, dependent, or other individual." 26 use 274 note. (b) EFFECTIVE DATE.—^The amendment made by this section shall apply to amounts pedd or incurred after December 31, 1993. SEC. 13273. INCREASE IN WITHHOLDING FROM SUPPLEMENTAL WAGE PAYMENTS. If an employer elects under Treasury Regulation 31.3402 (g)-l to determine the amount to be deducted and withheld from any supplemental wage payment by using a flat percentage rate, the rate to be used in determining the amount to be so deducted and withheld shall not be less than 28 percent. "Hie preceding sentence shall apply to payments made after December 31, 1993.