It will not recruit candidates nor coordinate with party leaders. It will disclose its donors.
One race it could get involved is in West Virginia, where Rep. Shelley Moore Capito had already announced her decision to run for the Senate even before incumbent Sen. Jay Rockefeller announced that he was going to retire.
Capito, who is in her seventh term, is viewed as a formidable candidate with a strong fundraising base.
However, several conservative groups, including the Senate Conservatives Fund, already have come out against her, calling her record "liberal" and saying she supported too much government spending.