When should I return to the marketplace to renew my plan and update my eligibility for subsidies?

In most states, open enrollment for 2022 coverage is from November 1, 2021 to January 15, 2022. You must return to the marketplace to update your eligibility and enroll into a health plan by January 15, 2022. Some states may have a longer open enrollment period, so check with your state marketplace. (45 C.F.R. § 147, 155, 156. https://www.cms.gov/files/document/cms-9906-f-nbpp-webposting-version.pdf).