The Securities and Exchange Commission is urging a federal judge to enforce two administrative subpoenas for congressional committee records and the testimony of a staffer in an insider trading investigation.

In a collision between two branches of government, the SEC in papers told Southern District Judge Paul Gardephe (See Profile) that it needs documents from a subcommittee of the House Ways and Means Committee as part of a probe into leaks of inside information on the setting of Medicare reimbursement rates, and the Ways and Means Committee has no basis in the law for refusing.