Beginning October 1, you will need a current U.S. passport, military identification, or some other form of federally accepted ID to board a commercial airline flight or access a federal building. Idaho officials are urging as many people as possible to update their drivers license to a "star card" so they won't be caught flat-footed when the new federal regulation goes into effect.

(Here's a checklist of what you'll need to update your driver's license in Idaho.) 

Idaho Matters learned more about this from Jillian Garrigues and Lisa McClellan from the Idaho Transportation Department.