Transferring Roth IRA to TSP


Q. I am active-duty military and am about to open a TSP account in January. From everything that I’ve read, I understand that I cannot transfer funds from my Roth IRA to my TSP account, but I do not understand why. I Can someone explain to me why this is the case and who made this rule?

A. I can’t tell you why it’s the law, but it is the law.


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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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