Successful transactions in Indian Country (defined as reservation, dependent Indian community, and allotment lands), require either a profound understanding of the particular complexities of Indian law at play within and beyond Indian reservations, or sheer luck. An unwary attorney doing deals in Indian Country risks putting a client in substantial legal and financial jeopardy if he or she doesn't contemplate - at a minimum - issues of sovereignty, immunity, tribal corporations, actual authority, tribal adjudicatory jurisdiction, and tirbal regulatory jurisdiction. This article explains each of the issues and serves as a legal guide for attorneys doing business in Indian Country.