What does my IRS letter actually mean?

Deadline-driven. Missing the window can cost you rights, money, or assets.

• CP22EExamination change — balance dueTime critical+
• CP90Final notice of intent to levyTime critical+
• CP91Intent to levy Social Security benefitsTime critical+
• CP504Notice of intent to levy state refundTime critical+
• CP508CSeriously delinquent debt certified to StateTime critical+
• CP523Installment agreement defaultTime critical+
• CP2000Proposed change from unreported incomeTime critical+
• CP3219AStatutory notice of deficiencyTime critical+
• CP3219NNotice of deficiency — return filed for youTime critical+
• Letter 226-JEmployer shared responsibility paymentTime critical+
• Letter 531Notice of deficiency after auditTime critical+
• Letter 1058Final notice before levyTime critical+
• Letter 1153Trust fund recovery penalty proposedTime critical+
• Letter 2205-AYour return has been selected for examinationTime critical+
• Letter 3172Notice of federal tax lien filedTime critical+
• Letter 3174Balance still unpaid after levy noticeTime critical+
• LT11Final notice of intent to levyTime critical+
• LT16Immediate action requestedTime critical+

Something is required of you, but you have room to respond properly.

• CP01AYour Identity Protection PINAction needed+
• CP05ADocumentation requested for reviewAction needed+
• CP09You may qualify for the Earned Income CreditAction needed+
• CP11Balance due after math correctionAction needed+
• CP14Balance due — first noticeAction needed+
• CP16Math change and refund applied to a balanceAction needed+
• CP22AAccount change created a balanceAction needed+
• CP23Estimated payments do not matchAction needed+
• CP31Refund check could not be deliveredAction needed+
• CP54BName and Social Security number mismatchAction needed+
• CP60Payment removed — balance dueAction needed+
• CP63Refund held for an unfiled returnAction needed+
• CP71CAnnual reminder of an unpaid balanceAction needed+
• CP71DAnnual balance reminderAction needed+
• CP75Credit claim under examinationAction needed+
• CP80Credit on account, return not filedAction needed+
• CP87ADuplicate dependent claimAction needed+
• CP88Refund held pending a prior returnAction needed+
• CP161Balance due — no math errorAction needed+
• CP162Late or incomplete business return penaltyAction needed+
• CP210Business account adjustedAction needed+
• CP215Civil penalty assessed to a businessAction needed+
• CP259Business return not receivedAction needed+
• CP276BFederal tax deposit penaltyAction needed+
• CP501Reminder — balance still dueAction needed+
• CP503Second reminder — immediate attentionAction needed+
• CP2057You may need to file an amended returnAction needed+
• CP2100Payee TIN mismatch (1099 filers)Action needed+
• CP2501Income mismatch inquiryAction needed+
• Letter 12CReturn incomplete — information neededAction needed+
• Letter 525General 30-day examination letterAction needed+
• Letter 566Correspondence audit initiatedAction needed+
• Letter 4883CVerify your identity to process your returnAction needed+
• Letter 5071CIdentity verification requiredAction needed+
• LT38Collection notices resumingAction needed+

For your records. No response needed unless your details are wrong.

• CP01Identity theft resolvedInformational+
• CP05Return under reviewInformational+
• CP12Refund adjusted after correctionInformational+
• CP13Math correction — no refund, no balanceInformational+
• CP21BAccount change — refund dueInformational+
• CP45Overpayment could not be appliedInformational+
• CP49Refund applied to a prior debtInformational+
• CP53Refund will be mailed as a checkInformational+
• CP71AAnnual reminder — balance in non-collectible statusInformational+
• CP79Credit disallowed for a prior yearInformational+
• Letter 4464CReturn under integrity reviewInformational+
• Letter 6419Advance credit reconciliationInformational+