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    Comprehensive Tax Resolution

    Notice library

    Decode any IRS letter

    What each IRS notice means, the response deadline, what happens if you ignore it, and what to do next. If you just opened a letter from the IRS, find it here first.

    Notices covered
    10
    Urgent / critical
    5
    Notice lookup
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    Reviewed by Franklin Sofi, MBA, CPA, CTRSAbout the author (214) 646-3802
    Sample first page of IRS Notice CP14
    CP14Act soon

    Balance Due Notice

    This is the IRS's first notice telling you that you owe taxes. It shows the amount due, including any penalties and interest.

    Respond within 21 daysRead notice CP14 details
    Sample first page of IRS Notice CP504
    CP504Urgent

    Intent to Levy Notice

    This is a final notice before the IRS seizes your assets. They intend to levy (take) your state tax refund and may seize other assets.

    Respond within 30 daysRead notice CP504 details
    Sample first page of IRS Notice LT11 / Letter 1058
    LT11 / Letter 1058Critical — act now

    Final Notice of Intent to Levy

    This is the absolute final warning. The IRS will begin seizing your wages, bank accounts, and property within 30 days.

    Respond within 30 daysRead notice LT11 / Letter 1058 details
    Sample first page of IRS Notice CP2000
    CP2000Act soon

    Underreported Income Notice

    The IRS believes you didn't report all your income. They've received information (W-2s, 1099s) that doesn't match your return.

    Respond within 30 daysRead notice CP2000 details
    Sample first page of IRS Notice Letter 525
    Letter 525Act soon

    Audit Notice

    You're being audited. The IRS wants to examine specific items on your tax return and is requesting documentation.

    Respond within Varies (typically 30 days)Read notice Letter 525 details
    Sample first page of IRS Notice CP508C
    CP508CUrgent

    Passport Certification Notice

    The IRS has certified your seriously delinquent tax debt to the State Department. Your passport may be denied or revoked.

    Respond within N/ARead notice CP508C details
    Sample first page of IRS Notice Notice of Deficiency
    Notice of DeficiencyCritical — act now

    90-Day Letter

    This is your legal right to challenge the IRS in Tax Court before paying. Miss this deadline and you lose that right.

    Respond within 90 daysRead notice Notice of Deficiency details
    Sample first page of IRS Notice CP501
    CP501Low urgency

    Reminder Notice

    A reminder that you have a balance due. This is a follow-up to the initial CP14 notice.

    Respond within 21 daysRead notice CP501 details
    Sample first page of IRS Notice CP503
    CP503Act soon

    Second Reminder Notice

    This is the second reminder that you owe taxes. The IRS is escalating their collection efforts.

    Respond within ImmediateRead notice CP503 details
    Sample first page of IRS Notice CP523
    CP523Urgent

    Intent to Default Installment Agreement

    The IRS is about to terminate your installment agreement because you missed payments or didn't file required returns.

    Respond within 30 daysRead notice CP523 details

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