The law that applies in such alleged cases is 9.12 – that a player must not verbally abuse anyone.
The sport’s global governing body can also choose to pursue the matter itself – in which case it is likely to be dealt with under the banner of “bringing the game into disrepute”.
South Africa forwards coach Deon Davids was asked about the incident at his side’s media briefing on Sunday morning.
“I’m not aware of that,” he said.
“I’m not aware of any comment. If it was discussed, I’m not sure what the comment was or when it was said. I don’t know.”