Maine, North Dakota, Utah and Wyoming have gone further, enacting “food freedom” laws that exempt home producers from food-safety rules that apply to grocery stores, restaurants and other food establishments.
The Wyoming legislature adopted the nation’s first Food Freedom Act in 2015, after rejecting it five times in seven years.
North Dakota passed a similar food-freedom law
The nearly limitless cottage-food laws in North Dakota and Wyoming are far from what’s happening in Washington. The D.C. City Council passed a cottage-food act in 2013, but final rules were not issued until December 2017.
New Mexico and West Virginia are considering food-freedom laws, while North Dakota legislators might clarify their intent in a 2017 law. A food-freedom bill in Mississippi died in committee in February
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Your article also talks about Kentucky.
I am not getting an unstated part of my question answered: What are the laws in the Washington state (where I live)?