A. It shall be the duty of each taxpayer, upon written request of the county assessor or the county board of equalization of any county, to furnish, under oath, a written statement showing the amount of capital invested in any plant, equipment, stock of merchandise or material, or any other species of property located in such county, and any other information which may reasonably be deemed necessary to enable the county officials to assess the property of such taxpayer at the fair cash value of such property. In any case where such written statement is requested, the taxpayer shall have ten (10) days from receipt of the written request within which to prepare and furnish such statement under oath.

B. Should any taxpayer neglect, fail or refuse to make a proper itemization of his property in any county, or neglect, fail or refuse to furnish any other information required by this section, or Section 38 of this act,¹ it shall be the duty of the county assessor or the county board of equalization to ascertain, from the best information obtainable, the value of the property of such taxpayer, and as a penalty shall add ten percent (10%) of the value thereof so ascertained. The penalty shall not be applied until the taxpayer shall have had ten (10) days' notice of the intention to apply the penalty and an opportunity to be heard.