Indicating something that is established, authorized, or sponsored by the state (e.g., state-designated, government‑sponsored).
この地域では国定の調査が行われる予定だ。
A government‑sponsored survey is scheduled to be conducted in this area.
国定教科書は全国の基準に合わせて作られる。
State‑approved textbooks are created to align with national standards.
彼らは国定の補助金を受けて研究を進めている。
They are carrying out research funded by state subsidies.