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, as determined by the Commission.” (2 USCS § 431).he 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, as determined by the Commission.” (2 USCS § 431).