it was supose to be $13 a week, not $3 a week and I said ask lebuick he posted it. search the net it's all over the place.
From the IRS...
Q6. If a taxpayer is eligible for more of a credit, how can it be claimed?
A. The modified tables take the anticipated credit into account through reduced withholding. However, the Making Work Pay credit will be reported on all filed 2009 income tax returns, along with the taxpayer’s withheld income tax. Taxpayers receiving less than the full amount of the anticipated credit through reduced withholding will still be entitled to the full credit on their return.
Guess you'll have to wait until the next time you file your taxes.