Chris Johnson will appear before a Judicial Control Authority hearing on Friday in the wake of his positive test to cannabis.
The leading South Island jockey returned the positive during a random test at the Rangiora trials on May 24 and he was immediately stood down from future riding engagements.
The leading South Island jockey returned the positive during a random test at the Rangiora trials on May 24 and he was immediately stood down from future riding engagements.