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An official website of the United States Government.

Frequently Asked Questions Retirement

Who is responsible for the changes to the Federal income tax withholding tables?

The IRS is responsible for the changes to the Federal income tax withholding tables. The Office of Personnel Management (OPM) has no control over the Federal income tax withholding tables. OPM used the tables provided by the IRS, which are set in law by the United States Congress.

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