SAI has issued some circulars on guidelines and notes for fair tournament play. You can look at these here.

A note specifically covering incorrect drawing of tiles due to multiple reports of incorrect drawing, issued on 13th Mar 2024:

Note on breaches that have occurred in the past, so that players are more aware on spotting any of these and also do not commit any of the breaches unintentionally, issued in July 2023:

Note on Fair Play and player responsibilities issued in Jan 2023 and updated in July 2023: