/əˈfɪʃəl ˈsɛʃən lɔ vɑljuːm/ – Phrase
Definition: tập văn bản pháp luật chính thức đã được thông qua tại kỳ họp nhất định của cơ quan lập pháp.
A more thorough explanation: An “official session law volume” refers to a published compilation of laws enacted during a specific legislative session by a government body, such as a state legislature or Congress. These volumes are considered official because they are typically published by the government or an authorized entity and are recognized as the authoritative source of the laws passed during that particular legislative session.
Example: The official session law volume contains the enacted laws passed during the legislative session.