90-DAY LETTER
Back to GlossaryDefinition
An IRS notice of deficiency giving taxpayers 90 days to petition the U.S. Tax Court before assessment proceeds.
Summary
A 90-day letter is a formal notice sent by the IRS when they believe you owe additional taxes that you haven't paid. Think of it as your 'last chance' notice before the IRS automatically adds the tax debt to your account. Once you receive this letter, you have exactly 90 days to either pay the amount or challenge it by filing a petition with the U.S. Tax Court. If you do nothing within those 90 days, the IRS will assess the tax debt and begin collection procedures, which could include wage garnishments or asset seizures.
Usage Context
This term is crucial when studying IRS procedures, taxpayer rights, audit processes, and tax dispute resolution. It's particularly important in tax law courses covering administrative procedures and taxpayer advocacy.
Common Confusions
- Confusing it with other IRS notices that have different time limits
- Thinking they can negotiate or request payment plans after the 90 days expire
- Believing that not responding means the IRS will forget about the debt
- Assuming they need to pay the full amount immediately rather than having the option to contest it