IRS Notice Decoder
Look up any IRS notice in plain English. Understand what it means, what your deadline is, and what to do next.
Decode a notice — freeCommon IRS notices
CP14
Balance Due
CP501
First Reminder of Balance Due
CP503
Second Reminder of Balance Due
CP504
Notice of Intent to Levy (State Refund)
CP504B
Notice of Intent to Levy (Business)
CP523
Installment Agreement Default
CP2000
Underreporter Notice
CP90
Final Notice — Intent to Levy & Right to a Hearing
CP297
Final Notice — Intent to Levy (Business)
LT11
Final Notice — Intent to Levy & Right to a Hearing
Letter 1058
Final Notice of Intent to Levy
Letter 1153
Trust Fund Recovery Penalty Proposal
Letter 525
30-Day Audit Examination Report
Letter 950
30-Day Letter (Audit)
Letter 3219
Statutory Notice of Deficiency (90-Day Letter)
Letter 11
Final Notice (Levy)
Letter 3172
Notice of Federal Tax Lien Filing
Notice summaries are educational. They are not legal or tax advice. For representation before the IRS, engage a licensed attorney, CPA, or enrolled agent.