((a)) ** In general** Nothing in this chapter limits the ability of a tribal health program operating any health program, service, function, activity, or facility funded, in whole or part, by the Service through, or provided for in, a compact with the Service pursuant to title V of the Indian Self-Determination and Education Assistance Act ( et seq.) to charge an Indian for services provided by the tribal health program.25 U.S.C. 458aaa1
((b)) ** Service** Nothing in this chapter authorizes the Service—
((1)) to charge an Indian for services; or
((2)) to require any tribal health program to charge an Indian for services.