Iowa Code § 192.141: Grade standards for cottage cheese.

The department may establish grade “A” standards for cottage cheese dry curd, cottage cheese, and low fat cottage cheese as a part of the ordinance required by this chapter. However, a governmental body, including the department, a county as provided in chapter 331, or a city as provided in chapter 364 shall not require a grade “A” rating for these products as a condition precedent to their sale.