Marketplace applications depend on details such as household members, address, expected income, and other coverage information. If a relevant change occurs, the Marketplace may require you to update your application. The types of changes and their effects depend on the applicable rules.
Use the official account
Sign in to the correct federal or state Marketplace and follow its instructions for reporting changes. Provide the information requested and retain confirmation of the update. If the Marketplace requests documents, submit them through its approved workflow.
Why it matters
Updated information can affect eligibility, plan availability, and the amount of advance premium tax credit. Inaccurate information may lead to changes in assistance or later reconciliation. Do not send application credentials or sensitive documents through general email or text message.
Official resource: HealthCare.gov: reporting changes.