Iowa Code § 200.16
The secretary may issue and enforce a written or printed "stop sale, use or removal" order to the owner or custodian of any lot of commercial fertilizer or soil conditioner, if the secretary finds the commercial fertilizer or soil conditioner is being offered or exposed for sale in violation of any of the provisions of this chapter or any of the rules and regulations promulgated under this chapter. The secretary may hold the commercial fertilizer or soil conditioner at a designated place until the law has been complied with and the commercial fertilizer or soil conditioner is released in writing by the secretary, or the violation has been otherwise legally disposed of by written authority, and all costs and expenses incurred in connection with the withdrawal have been paid.
Iowa Code § 200.16
2021 Acts, ch 80, § 97