Not later than 30 days after the end of the semiannual period beginning on the first day of January and July of each year, or on the first business day after such 30th day if the 30th day is not a business day, each person or organization who is registered or is required to register under paragraph (1) or (2) of section
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(a) of this title, and each employee who is or is required to be listed as a lobbyist under section
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(b)(6) of this title or subsection (b)(2)(C) of this section, shall file a report with the Secretary of the Senate and the Clerk of the House of Representatives containing—