Tarpaulins.

21—61.18(167) Tarpaulins. No disposal plant truck shall be moved on the highway without having a tarpaulin which is adequate to cover the bed of the truck and anything contained therein. If any carcass is contained in the truck or the truck has not been thoroughly cleaned, such tarpaulin must be in place covering the bed of the truck and its contents. Such tarpaulin must have no holes through which flies can pass.

This rule is intended to implement Iowa Code section 167.15.