And if they don't, they'll have to pay a 1% per month premium penalty for every month they delay.

NPR: Bush Hits Road to Urge Seniors Into New Drug Plan

As a result of concerns about the new law, the IRS will delay penalty provisions and withholding requirements for a full year, until January 1, 2013.

FORBES: IRS Offers Relief for Credit Card Reporting Requirements

Under federal rules, individuals are required to enroll in Medicare when they turn 65, or pay a premium penalty of 10% for each 12-month period they delay.

WSJ: Conquering Retirement: Couples Without Benefits

The moment was sweet redemption for the 23-year-old McDonagh, whose delay-of-game penalty when he inadvertently shot the puck out of play led directly to Mike Green's overtime goal in Game 2 on Saturday.

WSJ: Rangers look to get even with Caps in Game 4