All Blacks great Dan Carter won't rejoin French club Racing 92, after reportedly failing a fitness test.
The veteran first-five had been granted a relase from Japanese club Kobelco Steelers to return to France, after Racing lost the services of South African Pat Lambie through ongoing concussion symptoms.
But the French club has announced Carter will now not be returning to his old team.
"As part of routine medical checks prior to the approval of players' licenses, Racing 92 forwarded certain medical information to experts appointed by the Ligue Nationale de Rugby," said the statement.
"Their opinion was unanimous - Dan Carter will not be able toplay rugby in France.
"We are very disappointed of course. The law is harsh, but it is the law and we don't compromise players' health.
"We wish Dan the best for the future, a future at the same level of his immense career."
The exact nature of his medical test failure has not been revealed.
Carter had previously made 53 appearances for Racing 92 between 2015-18, helping them to a Top 14 title and two runner-up finishes in the European Champions Cup.
In December, he helped Kobelco Steelers to the Japanese Top League title and was named Most Valuable Player.