317.1D  Exemption — Iowa hemp Act.
  This chapter does not apply to a plant or any part of the plant qualifying as hemp, if the hemp is produced on a crop site regulated under chapter 204. 
2019 Acts, ch 130, §30, 33
Section effective April 8, 2020; the secretary of agriculture published an advisory notice in IAB Vol. XLII, No. 21 (4/8/20), p. 2630, that the state plan for the production of hemp was certified by the United States department of agriculture and that Code chapter 204 was implemented on that date; see 
2019 Acts, ch 130, §18, 33
NEW section