/pəˈrɛmptəri rul/ – Phrase
Definition: quy phạm bắt buộc.
A more throughout explanation: A peremptory rule is a legal term that refers to a rule or order that is absolute, final, and not subject to further debate, challenge, or modification. It is a command that must be obeyed without question or delay.
Example: The judge issued a peremptory rule requiring the defendant to produce all relevant documents within 30 days.