Complete your protest and mail it to the IRS address on the letter that explains your appeal rights. The appeal process in Arizona allows a property owner to request a review of the Assessor's determination of the.Use the appropriate Petition for Review form below to appeal the full cash (market) value or classification of property shown on the Notice of Valuation. This form is to be used to request an Appeals review upon completion of an examination (audit) if you do not agree with our proposed changes from the audit. Adobe Reader is required to open PDF forms. Visit the Adobe website to download the latest version. Review brief descriptions of IRS letters and notices taxpayers receive that include information about requesting an appeal. Purpose of this form: You can use this form to appeal a Letter 4890 Notice of Denial or a Letter 5015 Notice of Revocation of your IRS-approved.