[Code of Federal Regulations] [Title 27, Volume 3] [Revised as of April 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 27CFR479.51] [Page 98-99] TITLE 27--ALCOHOL, TOBACCO PRODUCTS, AND FIREARMS CHAPTER II--BUREAU OF ALCOHOL, TOBACCO, FIREARMS, AND EXPLOSIVES, DEPARTMENT OF JUSTICE PART 479_MACHINE GUNS, DESTRUCTIVE DEVICES, AND CERTAIN OTHER FIREARMS--Table Subpart D_Special (Occupational) Taxes Sec. 479.51 Fraudulent return. If any part of any underpayment of tax required to be shown on a return is due to fraud, there shall be added to [[Page 99]] the tax an amount equal to 50 percent of the underpayment, but no delinquency penalty shall be assessed with respect to the same underpayment (section 6653, I.R.C.). Application of State Laws