Bulgaria ratified the Convention on 4 September 1998, and the Convention entered into force for Bulgaria on 1 March 1999.
Stockpile Destruction (Article 4)
In its initial transparency report submitted on 27 August 1999, Bulgaria reported stockpiled anti-personnel mines under its ownership or possession or under its jurisdiction or control.
In its transparency report submitted in 2001, Bulgaria reported that it had completed the destruction of all stockpiled anti-personnel mines.
In total, Bulgaria reported having destroyed 890,221 mines.
Retained Mines (Article 3)
Notwithstanding the obligation to destroy all stockpiled anti-personnel mines, the Convention permits the retention of the minimum number of anti-personnel mines absolutely necessary for the development of and training in mine detection, mine clearance, or mine destruction techniques.
As of 2017, Bulgaria has reported 3,416 anti-personnel mines retained for these permitted purposes.
Mine Clearance (Article 5)
In its initial transparency report, Bulgaria reported areas under its jurisdiction or control in which anti-personnel mines were known or suspected to be emplaced.
In accordance with Article 5 of the Convention, Bulgaria undertook to destroy or ensure the destruction of all anti-personnel mines in these areas as soon as possible but not later than 1 March 2009.
In its Article 7 transparency report submitted on 5 April 2000, Bulgaria reported it had cleared all mined areas under its jurisdiction or control by 31 October 1999.
At the Fourth Meeting of the States Parties, Bulgaria formally declared it had fulfilled its Article 5 obligation.