Type of letter from the IRS Understanding your IRS notice or letterVerify your identity (5071C)Verify your identity (4883C)We changed your return (CP12)Imminent levy notification (CP504)Income reporting or payment error (CP2000)Balance due reminder (CP71A)Dependent’s Social Security number listed on another return (CP87A) Nicole SilasFebruary 7, 2020 Facebook0 Twitter LinkedIn0 Reddit Tumblr 0 Likes