existing 80/20 company

(i) such corporation met the 80-percent foreign business requirements of section 861(c)(1) (as in effect before the date of the enactment of this subsection) for such corporation's last taxable year beginning before January 1, 2011,

(ii) such corporation meets the 80-percent foreign business requirements of subparagraph (B) with respect to each taxable year after the taxable year referred to in clause (i), and

(iii) there has not been an addition of a substantial line of business with respect to such corporation after the date of the enactment of this subsection.