significant domestic business activities for purposes of this paragraph. . (b) Conforming amendments (1) Clause (i) of section 7874(a)(2)(B) is amended by striking after March 4, 2003, and inserting after March 4, 2003, and before May 9, 2014, . (2) Subsection (c) of section 7874 is amended— (A) in paragraph (2)— (i) by striking subsection (a)(2)(B)(ii) and inserting subsections (a)(2)(B)(ii) and (b)(2)(B)(i)