On March 8, the Senate Rules Committee held a hearing to consider the 527 Reform Act of 2005 (S. 271). The hearing revealed the complexity of issues raised by the proposed extension of federal election regulations to independent political committees (527s). The testimony and questions from senators highlighted the likely consequences of passing the bill in its current form, including migration of soft money to 501(c) groups, who, unlike 527s, do not disclose donors.