March 10, 2010 4:17 pm ET - by Media Matters staff
From TurboTax's Twitter account:

(via StopBeck)
UPDATE: Despite the above tweet, an advertisement for TurboTax ran during the March 10 edition of Beck's Fox News show.
Previously
So who's still advertising on Beck? March 9 edition...
Glenn Beck advertiser offers "survival seeds" as defense against "emerging totalitarianism"
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