The Republic of Sierra Leone signed the Mine Ban Treaty on 29 July 1998 and ratified it on 25 April 2001, becoming a State Party on 1 October 2001. Sierra Leone has not enacted new legislation specifically to implement the Mine Ban Treaty.
Sierra Leone has not attended any recent meetings of the treaty. It did not attend the Third Review Conference in Maputo in June 2014. On 9 February 2004, Sierra Leone submitted its initial Mine Ban Treaty Article 7 report, due 20 March 2002, but has not submitted subsequent reports.
Sierra Leone is party to the Convention on Conventional Weapons and its Amended Protocol II on landmines and Protocol V on explosive remnants of war. Sierra Leone is also party to the Convention on Cluster Munitions.
Production, use, transfer, and stockpiling
Sierra Leone has not produced or exported antipersonnel mines. Limited quantities of mines were used in various civil conflicts. Sierra Leone destroyed its stockpile of between 956 and 959 antipersonnel mines (the exact number was not confirmed) on 11 February 2003.
There are no known mined areas but Sierra Leone has residual unexploded ordnance contamination.
 At the February 2004 intersessional meetings, the delegate said, “The Government of Sierra Leone has completed the destruction of its entire stockpile of 956 antipersonnel mines that were captured from the AFRC/RUF rebel coalition forces [including] 875 pieces of MAI 75, 72 pieces of PMNs, and 9 pieces of SB 33.” Statement of Sierra Leone, Standing Committee on Stockpile Destruction, Geneva, 12 February 2004.