[Code of Federal Regulations] [Title 27, Volume 1] [Revised as of April 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 27CFR70.91] [Page 955] TITLE 27--ALCOHOL, TOBACCO PRODUCTS AND FIREARMS CHAPTER I--ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY PART 70--PROCEDURE AND ADMINISTRATION--Table of Contents Subpart D--Collection of Excise and Special (Occupational) Tax Sec. 70.91 Interest on erroneous refund recoverable by suit. Any portion of an internal revenue tax (or any interest, assessable penalty, additional amount, or addition to tax) which has been erroneously refunded, and which is recoverable by a civil action pursuant to 26 U.S.C. 7405, shall bear interest at the underpayment rate referred to in Sec. 70.93 of this part. (26 U.S.C. 6602) [T.D. ATF-301, 55 FR 47614, Nov. 14, 1990]