But other contributions can be used to help state parties, for registration efforts and for generic "Vote Democratic" commercials.
If there has been a significant registration effort, he added, "it's been sort of undercover."
Frontlash's 1972 voter registration effort was extensive, focusing on the top 12 most heavily-industrialized states.
He added that the campaign would continue its registration efforts.
Most of the registration effort was undertaken during the summer months.
The opposition and the Government say the registration effort has been a major success.
Each state sets its own rules, making it difficult for companies that operate in more than one state to mount a companywide registration effort.
The increase, according to Board of Elections records, reflects intense registration efforts in minority neighborhoods.
He became the point man for the registration effort in a key battleground: Greenwood, Miss.
The registration efforts have taken many forms.