The FA has charged Pep Guardiola for wearing a political ribbon on the touchline during his side's shock FA Cup defeat to Wigan Athletic.
The Spaniard breached the governing body's kit and advertising regulations by donning a yellow ribbon as a symbol of support for imprisoned politicians in his native Catalonia.
Guardiola was warned about the issue twice in mid-December and now faces disciplinary action for "wearing a political message, specifically a yellow ribbon".
Elsewhere, a private jet owned by the former Spain international was reportedly searched by police hunting for the fugitive former president of Catalonia Carles Puigdemont.
The former Barcelona boss has until March 5 to respond to the FA's charge.