As you prepare your tax documents for filing, please review the following information pertaining to IRS Form 1098 (Mortgage Interest Statement). Obtain forms from either the County Assessor or the Clerk of the Board in the county where the property is located).You may upload documentation to prove your claim. Have the tax bill in front of you, as it contains information necessary to complete the E-Form. When can I expect to receive a check? Refunds take approximately four weeks from the date we receive your claim form for processing. This statement represents a written request from the Assessor. Failure to file will result in the assessment of a penalty. No filing is required. All forms of intangible personal property are exempt.