Je was op zoek naar: 国王任期为终身制 (Chinees (Vereenvoudigd) - Engels)

国王任期为终身制。
the king is the head of state for life.

㈣ 退休，以秘书长批准退休的日期为终止日期；
(iv) in the case of retirement, the date shall be the date approved by the secretary-general for retirement;