Income from a small business
(B) Income from a small business means income from the operation of a bona fide trade or business of which the individual was an owner during calendar year 2009, and that on average had fewer than 500 employees in calendar year 2008. (C) The trade or business may be organized as, or take the legal form of, a corporation, partnership, limited liability company, or sole proprietorship. (D) A qualified individual shall file a certification of the individual's qualification in the manner and at the time prescribed by the Internal Revenue Service in forms, publications, or other guidance. (2) The amount which would have been required to be paid on or before the date prescribed for payment if the estimated tax were an amount equal to a percentage of the tax computed by placing on an annual basis the taxable income for the calendar months in the taxable year ending before the month in which the installment is required to be paid. That percentage is 80 percent in the case of taxable years beginning after December 31, 1966, of individuals not referred to in section 6073(b) (relating to income from farming or fishing), 70 percent in the case of taxable years beginning before January 1, 1967, of such individuals, and 66 2/3 percent in the case of individuals referred to inferred to in section 6073(b). With respect to taxable years beginning after December 31, 1966, the adjusted self-employment income shall be taken into account in determining the amount referred to in this subparagraph if net earnings from self-employment (as defined in section 1402(a)) for the taxable year equal or exceed $400. For purposes of this subparagraph: (i) Taxable income shall be placed on an annualized basis: (A) For taxable years beginning after 1976, by: