http://www.partypoker.com/news/events/scratch_card.html
That’s what you’re about to experience at PartyPoker.com between December 23, 2005, 11:00 (ET) and January 1, 2006, 23:59 (ET) - Our new $1.5 MILLION Scratchcard promotion where we are giving away up to $150,000 worth of great prizes A DAY!
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Well, once you've earned 40 regular Party Points in a day, you will be eligible for a FREE Scratchcard on the following calendar day after 11.00 am (ET) which will reveal a prize!
For example, players who earn 40 regular Party Points on December 23, 2005 will be eligible for a Scratchcard on December 24, 2005 after 11.00 am (ET)*
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Only one scratchcard per day can be won. Winning a scratch card does not guarantee a prize. Cards must be scratched between 11:00 am (ET) on the day of eligibility and 11:00 am (ET) the next calendar day otherwise it will expire.