/ˈsɪɡnəˌtɔri ɔˈθɔrəti/ – Phrase
Definition: 1. quyền ký;
2. quyền hạn ký.
A more thorough explanation: Signatory authority refers to the legal power or authorization granted to an individual or entity to sign a document, contract, or agreement on behalf of another person or organization. This authority allows the signatory to legally bind the represented party to the terms and conditions outlined in the document through their signature.
Example: The signatory authority of the company is vested in the Chief Executive Officer, who is authorized to sign contracts on behalf of the organization.