; and (ii) $25,000 in the case of any other committee. In determining whether the amount of bundled contributions provided to a committee by a person exceeds the applicable threshold, there shall be excluded any contribution made to the committee by the person or the person's spouse. (B) Indexing In any calendar year after 2018, section 315(c)(1)(B) shall apply to each amount applicable under subparagraph (A) in the same manner as such section applies to the limitations established under subsections (a)(1)(A), (a)(1)(B), (a)(3), and (h) of such section, except that for purposes of applying such section to the amount applicable under subparagraph (A), the base period shall be 2017. (C) Aggregation of contributions from cosponsors of fundraising event For purposes of determining the amount of bundled contributions provided by a person to a committee which were received by the person at a fundraising event sponsored by the person, or in response to an invitation to attend a fundraising event sponsored by the person, each person who is a sponsor of the event shall be considered to have provided to the committee the aggregate amount of all bundled contributions which were provided to the committee by all sponsors of the event. . (b) Conforming amendments Section 304(i) of such Act ( 52 U.S.C. 30104(i) ) is amended— (1) in paragraph (5), by striking described in paragraph (7) each place it appears in subparagraphs (C) and (D); (2) in paragraph (6), by inserting (other than a candidate for the office of President or for nomination to such office) after candidate ; and (3) in paragraph (8)(A)— (A) by striking , with respect to a committee described in paragraph (6) and a person described in paragraph (7), and inserting , with respect to a committee described in paragraph (6) or an authorized committee of a candidate for the office of President or for nomination to such office, ; (B) by striking by the person in clause (i) thereof and inserting by any person