Some (coffee receptions) may be organised for supporters by a national-committee.
A report may link a national-committee to a government-agency.
Allegations of wrongdoing may be aimed at a national-committee.
A (computer database) may provide information to a national-committee.
Allegations of lawbreaking may involve a national-committee.
A national-committee may raise hundreds of millions of dollars.
(News accounts) may regard a donation to a national-committee.