UN Security Council Resolution 509
Lebanon
Date	6 June 1982
Meeting no.	2,375
Code	S/RES/509 (Document)
Subject	Israel–Lebanon
Voting summary	15 voted for None voted against None abstained
Result	Adopted
Security Council composition
Permanent members	China  France  United Kingdom  United States  Soviet Union
Non-permanent members	Guyana  Ireland  Jordan  Japan  Panama  Poland  Spain  Togo  Uganda  Zaire
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United Nations Security Council resolution 509, adopted unanimously on 6 June 1982, after recalling previous resolutions on the topic including 425 (1978) and 508 (1982), the Council expressed concern and demanded Israel unconditionally withdraw all its military forces from Lebanon back to its internationally recognised border.

Resolution 509 went on to demand all parties observe the ceasefire in Resolution 508, and to communicate the acceptance of the ceasefire to the Secretary-General within 24 hours.