DavidD66
Expert Alumni

Retirement tax questions

You don't deduct the basis in an IRA to get to the taxable amount.  A distribution from an IRA that has both pre-tax and after tax contributions is a combination of both.  For instance, if you had an IRA with $20,000 of after-tax contributions (basis) and $80,000 of pre-tax contributions and gains, then a distribution from the account would be 20% basis and not taxable, and the other 80% would be taxable.  The ratio is calculated as of December 31 of the year prior to the distribution.    This is calculated on Form 8606.  

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