The mandate had to be adjusted twice, due to the Israeli invasion of Lebanon in 1982 and after the . Following the 2006 Lebanon War, the United Nations Security Council enhanced UNIFIL and decided that in addition to the original mandate, it would, among other things, monitor the cessation of hostilities; accompany and support the Lebanese Armed Forces as they deploy throughout the south of Lebanon; and extend its assistance to help ensure humanitarian access to civilian populations and the voluntary and safe return of displaced persons.