Post I-502: Opening a Business Account for Canna-Business?

The fact that marijuana will soon be legal to possess in Washington, but remains illegal under federal law presents an interesting situation for financial institutions being approached by would-be dispensary owners looking for an MBL or other business services. But would providing those services be legal?

Opening a business account for medical marijuana operation?

Both Oregon and Washington States have statutes that legalize medical marijuana, and special interest groups and activists have plans to file initiatives and legislation to expand the legality of marijuana. So, what are the rules for providing services?