"...For 2009, the IRS permits you to contribute up to $16,500 in tax-deferred money to the TSP. If you are a member of the uniformed services, you may contribute a total of $49,000 in tax-deferred and tax-exempt money. If you will be age 50 or older during 2009, you may also contribute up to $5,500 in additional “catch-up” contributions if you will reach the $16,500 limit in 2009..."
This Article is From: www.tsp.gov
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