Western Warriors fast bowler Brad Williams has been fined $300 after being found guilty of a breach of code of conduct on Friday, October 15 - day one of the Sheffield Shield match at the WACA.

Williams was reported under section 1 (d) and (e) of the Australian Cricket Board Code of Conduct.

Umpires Ross Emerson, Randolph Woolridge and Terry Prue made the report after viewing video tape of an incident with Victorian batsman Laurie Harper in the 86th over.

The report was heard by State Commissioner Harry Gorringe this morning.

There will no further comment on the incident, hearing or outcome.