IR-2012-76:

The IRS today announced that Doug Shulman, the 47th commissioner of the Internal Revenue Service, has decided to step down on Nov. 9, the last day of his term. Shulman indicated earlier this year that he planned to step down at the end of his term.

Shulman has served as IRS Commissioner since March 24, 2008. Under the law, IRS commissioners are nominated by the President and confirmed by the Senate for a term of up to five years with their terms ending on Nov. 12 of their final year (Nov. 9 is the last work day of Shulman's term because Nov. 12 is a federal holiday). …

Deputy Commissioner for Services and Enforcement Steven T. Miller, who is a 25-year veteran of the IRS, will serve as acting IRS Commissioner when Shulman steps down.

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