Important IRS Forms & Notices

Essential IRS Forms & Notices

When it comes to taxes, it seems like the paperwork is endless! To make it a bit less overwhelming for you, Delia Law has compiled this list of the most frequently-used IRS forms in the event you seek tax attorney representation for an issue involving the agency. Our tax solutions include offer in compromise, payment plans, innocent spouse relief, unfiled tax returns, wage garnishment help, tax lien help and assistance with payroll taxes. Delia Law is licensed to counsel you about your tax problems wherever you live in the U.S. Contact us today for a free, no obligation consultation.

IRS Forms:

IRS Notices:

CP Number Tax Reason
CP 12 Changes to correct a miscalculation
CP 14 You owe money on unpaid taxes
CP 49 Overpaid tax applied to other taxes you owe
CP 90 & CP 297 (sent simultaneously) Final Notice- notice of intent to levy and notice of your right to a hearing
CP 91 & CP-298 (sent simultaneously) Final Notice before levy on Social Security Benefits
CP 61* No math error, balance due
CP 501 Reminder notice, balance due
CP 504 Urgent notice, balance due, seizure of state income tax refund imminent
CP 523 Notice of default on installment agreement and imminent seizure of assets
CP 2000 Notice of proposed adjustment for underpayment or overpayment
* could not locate anything on this notice in search


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