462A.27A  Dock requirements — exemptions.
  1.  A dock in a boat harbor located on the Cedar river in a city with a population of more than one hundred twenty-five thousand located in a county with a population of more than two hundred thousand is exempt from all dock requirements of the department of natural resources if the dock is in compliance with local city regulations for a dock in such a boat harbor except as provided in subsection 2.
  2.  A dock in a boat harbor located on the Cedar river in a city with a population of more than one hundred twenty-five thousand located in a county with a population of more than two hundred thousand that meets the requirements of subsection 1 and that uses containers as dock flotation devices that were not originally manufactured as dock flotation devices, may continue to use such containers as dock flotation devices if the containers were in use on or before April 10, 2010. At the time that such containers are replaced, the replacement dock flotation devices shall be dock flotation devices that comply with the rules of the department of natural resources. However, if the ownership of the dock is transferred, the new owner shall have six months from the date of transfer to replace such containers with dock flotation devices that comply with the rules of the department of natural resources.
2010 Acts, ch 1123, §1, 2