IRS Commissioner John Koskinen in a letter to Senate Finance Committee Chairman Ron Wyden (D, OR) regarding the expired tax extenders:

To avoid . . . serious problems, I respectfully urge you and other Members of Congress to address this issue expeditiously…. it would be detrimental to the entire 2015 tax filing season and to millions of taxpayers if Congress fails to provide clear policy direction before the end of November.

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