Probably, but just guessing, that if they are sold to the public, on WA state land (non-tribal) that DOH can inspect. Just like if you bring in foodstfuffs from out of state to sell. But, sell on Rez and you may be able to skip DOH. There should be, in that case, Federal oversight (FDA), but that would be additional regulation that the current administrations deems a threat to the economy.