((a)) The Secretary, acting through the Service, shall conduct a study to assess the feasibility of allowing an Indian tribe to purchase, directly or through the Service, managed care coverage for all members of the tribe from—
((1)) a tribally owned and operated managed care plan; or
((2)) a State licensed managed care plan.
((b)) Not later than the date which is 12 months after , the Secretary shall transmit to the Congress a report containing—
((1)) a detailed description of the study conducted pursuant to this section; and
((2)) a discussion of the findings and conclusions of such study.