From (
http://www.fosters.com/apps/pbcs.dll/article?AID=/20080419/GJNEWS_01/569108861/-1/FOSNEWS),
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Peggy Riley, a spokeswoman with the Internal Revenue Service in Boston, said the first payments will be issued on May 2 electronically and deposited in taxpayers' bank accounts whose last two digits of their Social Security numbers end with 00 to 20.
Taxpayers whose last two digits of their Social Security numbers end with 21 to 75 will receive their payments on May 9 and taxpayers whose last two digits of their Social Security numbers end with 76 to 99 will receive their payments on May 16.
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Of course, this is applicable only to those who filed electronically and requested a direct deposit.