321.176B  Persons exempt by rule from commercial driver’s license requirements.
  If after July 1, 1990, federal law or federal regulations are changed to allow exemptions from commercial driver’s license requirements for suppliers of agricultural inputs or their employees while delivering these products to their customers, the department shall immediately, pursuant to chapter 17A, adopt rules which allow these exemptions from the commercial driver’s license requirements.
90 Acts, ch 1230, §23
Referred to in §321.176A