A plan available to members of federally recognized tribes and Alaska Native Claims Settlement Act (ANCSA) Corporation shareholders whose income is between 100% and 300% of the federal poverty level and qualify for premium tax credits. People enrolled in this type of plan: don’t pay co-payments, deductibles, or coinsurance when getting care from an Indian health care provider or when getting essential health benefits through a Marketplace plan; don’t need a referral from an Indian health care provider when getting essential health benefits through a Marketplace plan; can get zero costs sharing with a plan at any metal level on the Marketplace; must agree to have their income verified in order to enroll.

References

https://www.healthcare.gov/glossary/zero-cost-sharing-plan/