If there is no one to perform the duties of a board member or inspector and the Prime Minister finds it to be necessary, the Prime Minister may appoint a provisional board member or provisional inspector.
内閣総理大臣は、理事又は監事の職務を行う者のない場合において、必要があると認めるときは、仮理事又は仮監事を選任することができる。
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Prime Minister
内閣総理大臣
The head of the Cabinet. Designated by the Diet from among its own members, and appointed by the Emperor on that designation (Articles 67 and 6). The Prime Minister appoints and may dismiss the other Ministers of State at will, and a majority of them must be members of the Diet (Article 68). No Minister of State can be subjected to legal action while in office without the Prime Minister's consent (Article 75).
Written by AI using Constitution, Arts. 6, 67, 68, 75 and Wikipedia: Prime Minister of Japan as a reference.