The Centers for Medicare and Medicaid Services (CMS) has frozen new broker registrations for the Affordable Care Act (ACA) exchanges for 2027. The agency said the pause would help crack down on fraud among new brokers on the exchanges.

CMS also announced on Tuesday that it would cancel the enrollments of more than 760,000 people, calling them "unauthorized." The action is part of a broader effort to maintain the integrity of the ACA marketplaces.

No further details were provided about the specific criteria for the cancellations or the duration of the registration freeze, but the agency framed both steps as protective measures for the program.