St George Illawarra have been advised that coach Paul McGregor has been issued with a breach notice by the NRL following his comments regarding match officials post the Round 21 match against the Newcastle Knights last Saturday.

NRL rules state that "No Club, Club Official or Player shall, on a public occasion, comment on or with respect to the performance of a Match Official”.

The Dragons have five business days to respond to the breach notice and will be making no further comment at this time.