Senegal
Practice Relating to the Prohibition of Certain Types of Landmines
Senegal’s Penal Code (1965), as amended in 2007, states:
Committing an act or activity prohibited by one of the following conventions or protocols constitutes a crime under international law:
3. the 1980 Convention on Prohibitions or Restrictions on the Use of Certain Conventional Weapons Which May be Deemed to be Excessively Injurious or to Have Indiscriminate Effects … and its Protocol II on Prohibitions or Restrictions on the Use of Mines, Booby-Traps and Other Devices. 
Senegal, Penal Code, 1965, as amended in 2007, Article 431-5(3).
Senegal’s Law on the Prohibition of Anti-Personnel Mines (2005) states:
The development, manufacture, production, acquisition, stockpiling, retention, offer, possession, import, export, transfer and use of anti-personnel mines are prohibited in the entire Senegalese territory.
The same applies to detached pieces and ammunition. 
Senegal, Law on the Prohibition of Anti-Personnel Mines, 2005, Article 2.
The Law also provides:
Notwithstanding the provisions in Article 2, the planning authorities of the state are authorized, following the spirit of the Ottawa Convention [Convention on the Prohibition of the Use, Stockpiling, Production and Transfer of Anti-Personnel Mines and on their Destruction], to hold, retain or transfer a certain number of mines with the aim of developing techniques for the detection, removal or destruction of mines, and for the training of such techniques. The number of such mines must not exceed the absolute minimum necessary for the aforementioned purposes. 
Senegal, Law on the Prohibition of Anti-Personnel Mines, 2005, Article 3.
Senegal attended the preparatory meetings for the adoption of a treaty banning anti-personnel landmines in 1997 and the Oslo negotiations in September 1997 where the mine ban treaty was adopted. It endorsed the Final Declaration of the Brussels Conference on Anti-personnel Landmines in June 1997 and voted in favour of the UN General Assembly resolutions in support of a ban on anti-personnel landmines in 1996, 1997 and 1998. 
Landmine Monitor Report 1999: Toward a Mine-Free World, available at http://www.the-monitor.org/index.php/publications/display?act=submit&pqs_year=1999&pqs_type=lm&pqs_report=senegal&pqs_section=.