IRS Notice CP503 – Second Reminder About Unpaid Taxes
The IRS sends CP503 to remind you that an unpaid balance remains on your individual income tax return for the year indicated. The IRS is requiring payment.
Type of Notice: Unpaid balance
Likely next step: Address an IRS bill for unpaid taxes
Also see: IRS penalties
Why you received IRS Notice CP503
- You did not pay the balance due on a tax return by the due date.
- The IRS sent notices about unpaid taxes you owe, but the IRS never received a response.
Notice deadline: 10 days
If you miss the deadline: Additional penalties and interest will accrue. The IRS may file a Notice of Federal Tax Lien against you. A tax lien can damage your credit or make it difficult for you to get credit.
Want more help?
Your tax professional can deal with the IRS for you. Learn more about H&R Block’s Tax Audit & Notice Services. Or make an appointment for a free consultation with a local tax professional by calling 855-536-6504 or finding a local tax pro.
Letter from the IRS?
Your local H&R Block tax pro can look into it for you.
Learn about the different options when you can't pay or still owe money from a past return from the tax experts at H&R Block.
Liens and levies are tools the IRS uses to collect back taxes. Learn more about each one -- and how to avoid tax liens and levies by working with the IRS.
If you owe taxes and you can’t pay them all, you have options. Read H&R Block's guide to the types of IRS installment agreements - and how to figure out which one is right for you.
Learn about the IRS option to "settle" tax debt, called the offer in compromise. Get the facts from the tax experts at H&R Block.
Get the facts from H&R Block about the four types of IRS penalty relief, and which IRS penalty relief option may be best for your situation.
Currently not collectible (CNC) status can allow you to defer paying your tax bill for a time, if you qualify. Learn how to get CNC status from the experts at H&R Block.
Learn the three main benefits of engaging a power of attorney to research your IRS account and resolve your tax problems. Get the facts from the experts at H&R Block.