At the end of the Sept, if the Congress does not act, the bill will expire.

FORBES: Obama Urges Renewal Of Highway Bill

Allowing this bill to expire would be a disaster for our infrastructure and our economy.

WHITEHOUSE: Weekly Address: Time to Act on the Transportation Bill

Ignoring voices in their own party and the clear message sent by American women in the last election, they instead decided to side with the far right wing of their party by allowing the bill to expire.

CNN: House GOP failed women on Violence Against Women Act

The 30% federal tax credit on solar installations, part of the 2005 Energy Bill, is set to expire in 2007, so there's a sense of urgency among many companies about getting solar projects done now.

FORBES: Mining The Solar Gold Rush

Under the current bill, most of the tax cuts will expire in 2010.

CNN: Bush to sign tax cut bill Thursday

At the top of his list that includes tax breaks, visas for animal trainers and transportation to Disney theme parks, was a request for Congress to help his company's highest priority: HR2589, a bill to extend the soon-to-expire copyright on Mickey Mouse -- Disney's most precious asset.

CNN: Disney In Washington: The Mouse That Roars

While the amendment appears unlikely to gain approval as congressional leaders try to keep the spending bill on track for final passage before March 27, when the current government spending provisions expire, it opens the door for debate.

WSJ: Saturday Postal Pullback in Limbo

Instead, the Senate is going to vote soon on a bill that reauthorizes the Prescription Drug User Fee Act (PDUFA), which is set to expire later this year.

FORBES: PDUFA: One of Congress' most important health policy votes in 2012