national committee
(2) For purposes of this subsection— (A) the term “qualified political committee” means a national or State committee of a political party, the Republican and Democratic Senatorial Campaign Committees, the Democratic National Congressional Committee, and the National Republican Congressional Committee; (B) the term “national committee” means the organization which, by virtue of the bylaws of a political party, is responsible for the day-to-day operation of such political party at the national level; and (C) the term “State committee” means the organization which, by virtue of the bylaws of a political party, is responsible for the day-to-day operation of such political party at the State level.