Converting traditional IRA to TSP and Roth


Q. If I have a traditional IRA worth $100,000 with a basis (post-tax contributions) of $20,00, can I roll over $80,000 to TSP and the other $20,000 convert to a Roth? Would these two actions result in a tax-free transaction?

A. Yes, a special rule allows for this to be done.


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Mike Miles is a Certified Financial Planner licensee and principal adviser for Variplan LLC, an independent fiduciary in Vienna, Virginia. Email your financial questions to and view his blog at

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