The top U.S. watchdog agency for consumer finance on Monday accused Rocket Homes, a unit of Rocket Companies, and The Jason Mitchell Group real estate brokerages of an illegal kickback scheme to steer mortgage applications back to Rocket.

The Consumer Financial Protection Bureau has filed suit against Rocket Homes, alleging the real-estate company provides incentives to brokers and agents to steer home buyers to its parent company’s mortgage-lending wing,

A federal consumer watchdog agency alleges that an affiliate of Rocket Mortgage acted illegally by providing kickbacks for referral business.