The employer identification number (defined at 26 CFR 301.7701-12 ) of a manufacturer of tobacco products who has been assigned such a number shall be shown on each tax return, Form 5000.24. Failure of the manufacturer to include his employer identification number on Form 5000.24 may result in assertion and collection of the penalty specified in §70.113 of this chapter.
27 C.F.R. § 40.169