NSW Health has advised that a positive COVID-19 case visited the Toronto Drug Court on Monday 27 July between 7am and 2pm.
The person was likely infected at the Apollo restaurant in Potts Point, Sydney.
The positive result was received on Saturday (1 August) evening.
The courthouse is closed for cleaning today.
All close contacts have been identified and are being contacted this morning by NSW Health.
Should even mild symptoms develop, they must self-isolate and seek urgent testing for COVID-19.