I'm no expert but :jointsmile: generally a coop or a collective is an outgrowth from a care giver, generally on a wider scale. But, mileage may very, check with Montana's actually laws on the books, (post them if you can find them online, that would really cool ). Check norml.org and w-e-e-d-m-a-p-s, too. both of those sites deliver a wealth of information. :jointsmile: