Because of increased abuse, the Western Province Referees’ Society has, with regret, decided that it will not provide referees for club matches in the Western Province until such time as adequate steps are taken against those guilty of abuse, physical or verbal.
https://rugby365.com/laws-referees/news/whistles-grow-silent-in-wp
https://rugby365.com/laws-referees/news/whistles-grow-silent-in-wp