US V. Magnesium Corp. — Don't Panic

Law360 (September 28, 2010, 1:21 PM EDT) -- A recent Tenth Circuit decision could have an impact on companies that rely on a federal agency's interpretation of its own regulation. In United States v. Magnesium Corporation of America, et al., (10th Cir. Aug. 17, 2010), the court held that the U.S. Environmental Protection Agency's prior interpretation of ambiguous language contained in its own regulation was a tentative one, and accordingly, the agency was free to change its mind and issue a new interpretation of its regulation without notice and comment....

Law360 is on it, so you are, too.

A Law360 subscription puts you at the center of fast-moving legal issues, trends and developments so you can act with speed and confidence. Over 200 articles are published daily across more than 60 topics, industries, practice areas and jurisdictions.


A Law360 subscription includes features such as

  • Daily newsletters
  • Expert analysis
  • Mobile app
  • Advanced search
  • Judge information
  • Real-time alerts
  • 450K+ searchable archived articles

And more!

Experience Law360 today with a free 7-day trial.

Start Free Trial

Already a subscriber? Click here to login

Hello! I'm Law360's automated support bot.

How can I help you today?

For example, you can type:
  • I forgot my password
  • I took a free trial but didn't get a verification email
  • How do I sign up for a newsletter?
Ask a question!