management of the expanded affiliated group who exercise day-to-day responsibility for making decisions involving strategic, financial, and operational policies of the expanded affiliated group are based or primarily located within the United States. Individuals who in fact exercise such day-to-day responsibilities shall be treated as executive officers and senior management regardless of their title. (5) Significant domestic business activities For purposes of paragraph (2)(B)(ii), an expanded affiliated group has significant domestic business activities if at least 25 percent of— (A) the employees of the group are based in the United States, (B) the employee compensation incurred by the group is incurred with respect to employees based in the United States, (C) the assets of the group are located in the United States, or (D) the income of the group is derived in the United States, determined in the same manner as such determinations are made for purposes of determining substantial business activities under regulations referred to in paragraph (3) as in effect on January 18, 2017, but applied by treating all references in such regulations to foreign country and relevant foreign country as references to the United States . The Secretary may issue regulations decreasing the threshold percent in any of the tests under such regulations for determining if business activities constitute significant domestic business activities for purposes of this paragraph. . (b) Conforming amendments (1) Clause (i) of section 7874(a)(2)(B) of such Code is amended by striking after March 4, 2003, and inserting after March 4, 2003, and before May 8, 2014, . (2) Subsection (c) of section 7874 of such Code 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)