WIll they come?: How many punters will turn up to watch this year's Golden Slipper at Rosehill.WIll they come?: How many punters will turn up to watch this year’s Golden Slipper at Rosehill. Photo: Anthony Johnson

The relationship between Racing NSW and Racing Victoria stewards has reached a new low after comments made by Terry Bailey about retrospective cobalt investigations on Melbourne’s RSN radio on Wednesday.

With the penalty for Darren Smith’s 40 cobalt charges to be announced on Friday, the RV chief steward was asked about retrospectively testing without a threshold.