/ˈvælɪd ɒn ɪts feɪs/ – Phrase
Definition: 1. hợp lệ về mặt hình thức;
2. có hiệu lực về mặt hình thức;
3. được làm đúng thủ tục quy định.
A more thorough explanation: “Valid on its face” refers to a document or instrument that appears to be legally valid and authentic based solely on its external appearance and without the need for further investigation or examination.
Example: The court found the contract to be valid on its face, as it was properly signed by both parties and contained all necessary terms and conditions.