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Thank for the prompt and detailed reply.  I have a question about option 3 - the lump sum conversion with taxes with held at the time of the conversion.  I would rather not reduce the amount of the conversion by the taxes. 1)  Can I make a lump sum payment of the taxes in December from a non-retirement account?  or - I may have misunderstood your answer - can I contribute the conversion taxes back to the Roth ?  Thanks, Dan