/ɪnˈtɜrnəl ˈrɛvəˌnju lɔː/ – Phrase
Definition: luật thu nhập trong nước, luật thuế.
A more thorough explanation: Internal-revenue law refers to the body of laws and regulations that govern the collection of taxes within a specific jurisdiction, typically at the national or federal level. These laws outline the rules and procedures for assessing, collecting, and enforcing taxes on income, goods, services, and other forms of revenue generated within the jurisdiction.
Example: The Internal Revenue Service enforces compliance with the internal-revenue laws to ensure individuals and businesses pay their taxes accurately and on time.