(1) Alcohol mixture credit (A) In general The alcohol mixture credit of any taxpayer for any taxable year is 60 cents for each gallon of alcohol used by the taxpayer in the production of a qualified mixture. (B) Qualified mixture The term “qualified mixture” means a mixture of alcohol and gasoline or of alcohol and a special fuel which— (i) is sold by the taxpayer producing such mixture to any person for use as a fuel, or (ii) is used as a fuel by the taxpayer producing such mixture. (C) Sale or use must be in trade or business, etc. Alcohol used in the production of a qualified mixture shall be taken into account— (i) only if the sale or use described in subparagraph (B) is in a trade or business of the taxpayer, and (ii) for the taxable year in which such sale or use occurs. (D) Casual off-farm production not eligible No credit shall be allowed under this section with respect to any casual off-farm production of a qualified mixture.