/prəˈtoʊkɔl ʌv ˌrætɪfɪˈkeɪʃən/ – Phrase
Definition: nghị định thư phê chuẩn.
A more thorough explanation: A protocol of ratification is a formal document that confirms a country’s acceptance and approval of a treaty or international agreement. It is typically signed by the head of state or another authorized representative and serves as evidence that the country intends to be bound by the terms of the treaty.
Example: The protocol of ratification was signed by the President, officially confirming the country’s acceptance of the international treaty.