Section 42-15054 - Listing by assessor on failure to receive report; investigationsA. If a person refuses on demand to give under oath or affirmation the report as required by section 42-15052 or 42-15053, or if the owner of property that is not reported by another person is absent or unknown, the assessor shall fill out a report for that person and shall include all taxable property that the assessor has reason to believe that the person owns, possesses or controls. If the name of an absent owner is known to the assessor, the property shall be assessed in that name, but if the name is not known, it shall be assessed to "unknown owners".B. The assessor shall make such investigation as necessary to ensure that all property subject to taxation in the county is properly included on the assessor's property lists.C. If the assessor believes that a person has not returned a full and complete report of all property that the person possesses or controls, the assessor may investigate as necessary to ascertain the extent and value of the property. The assessor shall conduct the investigation in such a manner that would discover and correct any errors in the taxpayer's favor as well as discover and correct any errors not in the taxpayer's favor.