; (ii) was authorized to raise or expend funds for the candidate, committee, or party and had nonpublic information from the candidate, committee, or party about the candidate’s, committee’s or party’s campaign’s needs or plans; or (iii) provided the candidate, committee, or party with professional services (other than accounting or legal services) related to campaign or fundraising strategy. (B) Subparagraph (A) does not apply with respect to a person employed or otherwise retained by a person making a covered expenditure if, at the time the person who was so employed or retained exercised the authority or provided the services described in clauses (i) through (iii) of such subparagraph, the person making the covered expenditure had in effect a firewall policy which meets the requirements of subsection (d). (c) Covered expenditures (1) Candidates and authorized committees For purposes of this section, the term covered expenditure means, with respect to a candidate or an authorized committee of a candidate, any of the following: (A) An expenditure for a public communication (as defined in section 301(22)) which— (i) expressly advocates for the nomination or election of the candidate or for the defeat of an opponent of the candidate (or contains the functional equivalent of express advocacy); (ii) promotes or supports the candidate, or attacks or opposes an opponent of the candidate (regardless of whether the communication expressly advocates the election or defeat of a candidate or contains the functional equivalent of express advocacy)