United Nations Security Council resolution 1337, adopted unanimously on 30 January 2001, after recalling previous resolutions on Israel and Lebanon, including resolutions 425 (1978), 426 (1978), 501 (1982), 508 (1982), 509 (1982), 520 (1982), and 1310 (2000), the Council decided to extend the mandate of the United Nations Interim Force in Lebanon (UNIFIL) for a further six months until 31 July 2001.