" Interest that accrues after a judgment has been entered would therefore be deductible under this section, provided no specific exception to that deductibility applies. ... Taxpayer would thus not be entitled to deduct prejudgment interest under section 163; however, we must also consider whether section 162 is available.
Memorandum - Internal Revenue Service"
and Based on IRS publication 529, it may be entered as Misc deduction, just don't know where to enter in Turbo Tax .
