The phrase "retrospective action" refers to an action or decision taken after an event has already happened, to review or evaluate what has occurred in the past.
Sentences with «retrospective action»
So the panel were probably right not to take retrospective action in his case. (justarsenal.com)
The Senegalese striker became the first Premier League player to be punished under new Football Association rules that allow retrospective action for diving. (newindianexpress.com)