What this notice is about We are holding your refund until we determine you owe no other taxes. What you need to do You need not take any action at this time. Review your notice carefully; it will explain the time frames necessary to review your account. You may want to Call 800-829-3676 (800-TAX-FORM) to order forms and publications. Complete and send us a Form 2848, Power of Attorney and Declaration of Representative PDF to authorize someone (such as an accountant) to contact us on your behalf. Reference Tools Publication 5027, Identity Theft Information for Taxpayers PDF Full list of tax forms and instructions Need Help? You can authorize someone to contact the IRS on your behalf. See if you qualify for help from a Low Income Taxpayer Clinic. If you can’t find what you need online, call the IRS number at the top of your notice or letter.