The Blues boss branded the match a "scandal" when referee Anthony Taylor booked Chelsea midfielder Cesc Fabregas for diving at St Mary's Stadium.
Mourinho said the referee should be ashamed of himself for failing to award Fabregas a penalty.
Hopefully Mourinho won t bully me - Carver [AMBIENT]
He went further by adding there was a campaign against Chelsea after Fabregas became the fifth player the be booked for diving in a matter of weeks.
"In other countries where I have worked, tomorrow in the sports papers it would be a front-page scandal because it is a scandal," said Mourinho at the time.
"It is not a small penalty, it is a penalty like Big Ben. In this country, and I am happy with that, more than happy with that, we will just say that it was a big mistake with a big influence on the result.
"I will go to the referee and wish him a good year and tell him he will be ashamed," added Mourinho.
The FA have given Mourinho until 18:00 next Tuesday to respond to the charge.
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