/ˈrɛɡjəˌleɪtəri əˈfɛns/ – Phrase
Definition: Vi phạm quy định.
A more thorough explanation: a class of unlawful activity for which guilt does not have to be proven and which is used to deter people from dangerous activity
Example: He passed the evidence over to the Financial Services Authority (FSA) believing it to be a regulatory offence, rather than a criminal one.