Eligible small business
For purposes of this subsection, the term “eligible small business” means, with respect to any taxable year—
(i)#
a corporation the stock of which is not publicly traded,
(ii)#
a partnership, or
(iii)#
a sole proprietorship,
if the average annual gross receipts of such corporation, partnership, or sole proprietorship for the 3-taxable-year period preceding such taxable year does not exceed $50,000,000. For purposes of applying the test under the preceding sentence, rules similar to the rules of paragraphs (2) and (3) of section 448(c) shall apply.