This has been revealed by the Zimbabwe international's agent, Michael Ngobeni of M Sport Management.
Billiat impressed during the Warriors' unsuccessful 2019 Africa Cup of Nations (Afcon) Group A campaign in Egypt and he scored against Uganda.
“Yes, Raja Casablanca phoned me but Khama is still contracted to Chiefs. They have to get hold of Chiefs if they are serious about signing Khama. It is up to the two teams (if they agree or not). I will just wait,” Ngobeni told IOL.
“He is happy there. He did well in his first season with Chiefs.