"Forcing legitimate businesses to operate on a cash-only basis without bank accounts is an invitation for robbery, tax evasion and organized crime. With 21 states and D.C. now allowing for some form of legal adult marijuana usage, federal law needs to be updated to reflect the reality of the situation in the states," said two Representatives, Denny Heck and Earl Perlmutter, in July, when they introduced banking legislation to protect legal marijuana growers from federal charges.