SDCL § 10-37-7: Information used by department on failure of company to file valid report--Penalty addition to valuation.

If any pipeline company fails or refuses to obey and conform to the rules, method and requirements prescribed by the Department of Revenue under the provisions of this chapter, or to make the reports required by §§ 10-37-3 and 10-37-4, the Department of Revenue shall assess the property of such pipeline company according to the best information obtainable, and shall then add to its valuation of such pipeline company twenty-five percent thereof, which valuation and penalty shall be separately shown, and together shall constitute the assessment for that year.