Expenditures in connection with the sale of marijuana

(a) In general Section 280E of the Internal Revenue Code of 1986 is amended to read as follows: 280E. Expenditures in connection with the illegal sale of drugs No deduction or credit shall be allowed for any amount paid or incurred during the taxable year in carrying on any trade or business if such trade or business (or the activities which comprise such trade or business) consists of trafficking in— (1) marijuana (as defined in section 102(16) of the Controlled Substances Act (21 U.S.C. 802(16))), or (2) controlled substances (within the meaning 16 of schedule I and II of the Controlled Substances 17 Act), which is prohibited by Federal law or the law of any State in which such trade or business is conducted.. (b) Effective date The amendment made by this section shall apply to amounts paid or incurred after the date of the enactment of this Act in taxable years ending after such date.