Form 8606Individual Income Tax
Nondeductible IRAs
Tracks nondeductible (after-tax) IRA contributions so they are not taxed again at withdrawal. Essential for Backdoor Roth IRA strategy.
Who Files This Form
Taxpayers with nondeductible Traditional IRA contributions or Roth IRA conversions
Due Date
Filed with Form 1040 by April 15
Important Notes
Critical for the Backdoor Roth strategy. Without Form 8606 tracking your basis, you may be taxed twice on the same money. File even in years with no new contributions if you have prior basis.
Related Forms
Official IRS Source
Always download the current version and instructions from the IRS website before filing.
Educational Reference Only: This is general information about Form 8606, not tax advice. Form instructions change annually. Always download the current version from irs.gov and read the official instructions. Consult a qualified tax professional for your specific situation. Read full disclaimer →