Ark. Code Ann. § 26-18-211

If a taxpayer has been previously advised that he or she has failed to comply with the provisions of the Arkansas Code or the rules as promulgated by the Secretary of the Department of Finance and Administration by his or her failure to include all of the information required to be shown on the return or the inclusion of incorrect information and he or she continues to disregard those provisions, there shall be assessed a penalty of fifty dollars ($50.00) per return, unless the failure is due to reasonable cause and not due to willful neglect.