Right. The law—in particular the Criminal Code amendment— grandfathers all of the cetaceans that are currently in captivity. From the day that the legislation would come into force if it's adopted, all of the cetaceans that are alive and in captivity will be allowed to be kept. Until they die naturally or authorization is given for them to be exported, that's where they will reside until they die.
On March 18th, 2019. See this statement in context.