Gloucester head coach Dean Ryan has been charged with two offences of abusing referee Rob Debney after a Guinness Premiership game.
Ryan, the former England, Newcastle and Wasps number eight, will appear before a Rugby Football Union disciplinary panel in Bristol on March 1.
He must answer what the RFU term "charges of conduct prejudicial to the interests of the Union and the game, contrary to rule 5.12."
The charges relate to post-match scenes at Vicarage Road last Sunday when Gloucester suffered an injury-time 24-22 defeat against Saracens.