; duration of posting The corporation shall post the hyperlink described in subparagraph (A) not later than 24 hours after the Commission posts the statement filed by the corporation under paragraph (1) on the Internet site of the Commission, and shall ensure that the hyperlink remains on the Internet site of the corporation until the expiration of the 1-year period which begins on the date of the election with respect to which the disbursements included in the statement are made. (c) Covered Political Activity Defined In this section, the term covered political activity means each of the following: (1) An independent expenditure (as defined in section 301(17)). (2) An electioneering communication (as defined in section 304(f)(3)). (3) A communication which would be treated as an electioneering communication under section 304(f)(3) if the communication had been a broadcast, cable, or satellite communication. (4) The payment of dues or other amounts to a trade association or to a section 501(c)(4) organization. (d) Other Definitions In this section, the following definitions apply: (1) The term corporation means any corporation which is subject to section 316(a). (2) The term section 501(c)(4) organization means any organization described in paragraph (4) of section 501(c) of the Internal Revenue Code of 1986 and exempt from tax under section 501(a) of such Code. . (b) Effective date The amendment made by subsection (a) shall apply with respect to reports described in section 325(a)(1) of the Federal Election Campaign Act of 1971 (as added by subsection (a)) which are filed after the expiration of the 90-day period which begins on the date of the enactment of this Act. 3. Limitation on engaging in covered political activities by social welfare organizations (a) In general Section 501(c)(4) of the Internal Revenue Code of 1986 is amended by adding at the end the following: (C) (i) Subparagraph (A) shall not apply to an entity for a taxable year if the total expenditures of such entity for the taxable year for