Iowa Code
Chapter 200A - BULK DRY ANIMAL NUTRIENT PRODUCTS
Section 200A.4 - Rulemaking.

200A.4 Rulemaking.
The department shall adopt all rules necessary to administer this chapter including but not limited to rules regulating licensure, labeling, registration, distribution, and storage of bulk dry animal nutrient products. A violation of this chapter includes a violation of any rule adopted pursuant to this section as provided in chapter 17A.
98 Acts, ch 1145, ยง4