Juby,
You need to do some research in your state. While hemp proponents say that hemp and marijuana are entirely different species, many state legislatures tar them with the same brush. If the cultivation and sale of hemp is illegal in your state, the DOJ and FinCEN guidance will not apply; i.e. you're toast.
Becca1,
Your potential client sounds like an advocacy group, nothing more. If you can verify that, it is of no consequence exactly what it is they are advocating. When they like your bank so much that they start recommending their members to you, then you need to be concerned.
Article from yesterday.
Questions about state laws regarding marijuana related businesses should be posted in state forums.