Related Rule
Practice Relating to Rule 33. Personnel and Objects Involved in a Peacekeeping Mission
France’s Code of Defence (2004), as amended in 2008, states:
The personnel and objects involved in a … peacekeeping mission in conformity with the Charter of the United Nations are … protected as long as they are entitled to the protection given to civilians and civilian objects under the law of armed conflicts.
It is prohibited for combatants to deliberately target protected persons. 
France, Code of Defence, 2004, as amended in 2008, Article D4122-8.
France’s Penal Code (1992), as amended in 2010, states in its section on war crimes common to both international and non-international armed conflicts:
Intentionally launching attacks against the personnel, installations, material, units and vehicles employed in a … peacekeeping mission, in accordance with the United Nations Charter, as long as they are entitled to the protection given to civilian and civilian objects under the international law of armed conflict, is punishable by 20 years’ imprisonment. 
France, Penal Code, 1992, as amended in 2010, Article 461-12, para. 2.
In 2008, the Prime Minister of France stated: “Resolution 1674 adopted on 28 April 2006 by the UN Security Council, on the initiative of France, condemns … deliberate attacks against UN personnel and associated personnel taking part in humanitarian missions”. 
France, Response by the Prime Minister to the National Consultative Commission for Human Rights’ opinion on the Respect and Protection of Humanitarian Relief Personnel adopted on 17 January 2008, 27 May 2008, p. 1.