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Peru
Practice Relating to Rule 8. Definition of Military Objectives
Peru’s IHL Manual (2004) states: “Military objectives are those objects which by their nature, location, purpose or use make an effective contribution to military action and whose total or partial destruction, capture or neutralization offers a definite military advantage.” 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 98; see also § 172.c.
Peru’s IHL and Human Rights Manual (2010) states:
89. Military Objectives
Objects which by their nature, location, purpose or use make an effective contribution to military action and whose total or partial destruction, capture or neutralization offers a definite military advantage. 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 89, p. 291; see also § 163(c), pp. 343 and 410.
Peru’s Decree on the Use of Force by the Armed Forces (2010) states:
A military objective … is an objective which by its nature, location, purpose or use contributes to the actions of the hostile group and whose total or partial destruction, capture or neutralization offers a military advantage. 
Peru, Decree on the Use of Force by the Armed Forces, 2010, Article 3(j).
Peru’s IHL Manual (2004) states: “[Air] bombardment is legitimate only when directed exclusively against the following objectives: military forces … .” 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 172.d.
Peru’s IHL and Human Rights Manual (2010) states: “[Air] bombardment is only legitimate when it is exclusively directed against the following objectives: military forces”. 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 163(c), p. 343.
Peru’s IHL Manual (2004) states: “[Air] bombardment is legitimate only when directed exclusively against the following objectives: … military works, military establishments or depots”. 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 172.d.
Peru’s IHL and Human Rights Manual (2010) states: “[Air] bombardment is only legitimate when it is exclusively directed against the following objectives: … military works, military establishments or depots”. 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 163(c), p. 343.
Peru’s IHL and Human Rights Manual (2010) states: “Unless they enjoy immunity from attack, enemy warships and aircraft as well as enemy auxiliary vessels and aircraft are military objectives and can be attacked.” 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 121(c), p. 313.
Peru’s IHL Manual (2004) states: “[Air] bombardment is legitimate only when directed exclusively against the following objectives: … lines of communication … which are used for military purposes.” 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 172.d.
Peru’s IHL and Human Rights Manual (2010) states: “[Air] bombardment is only legitimate when it is exclusively directed against the following objectives: … lines of communication … which are used for military purposes.” 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 163(c), p. 343.
Peru’s IHL Manual (2004) states: “[Air] bombardment is legitimate only when directed exclusively against the following objectives: … lines of … transport which are used for military purposes.” 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 172.d.
The manual also states: “Merchant ships escorted by enemy warships and civilian aircraft escorted by enemy military aircraft can be attacked.” 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 29.n.
Peru’s IHL and Human Rights Manual (2010) states: “[Air] bombardment is only legitimate when it is exclusively directed against the following objectives: … lines of … transport which are used for military purposes.” 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 163(c), p. 343.
The manual also states:
a. Enemy Merchant Ships
(1) Enemy merchant ships can only be attacked if they meet the definition of military objective.
(2) The following activities can turn an enemy merchant ship into a military objective:
(d) Navigating in convoy with warships or enemy military aircraft.
b. Enemy Civil Aircraft
(1) Enemy civil aircraft can only be attacked if it meets the definition of military objective.
(2) The following activities can turn an enemy civil aircraft into a military objective:
(d) Flying under the protection of accompanying warships or enemy military aircraft. 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 121(a)(1)–(2)(d) and (b)(1)–(2)(d), p. 312.
Peru’s IHL Manual (2004) states: “[Air] bombardment is legitimate only when directed exclusively against the following objectives: … manufacturing plants constituting important and well-known centres for the production of arms, ammunition or characterized military supplies.” 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 172.d.
Peru’s IHL and Human Rights Manual (2010) states: “[Air] bombardment is only legitimate when it is exclusively directed against the following objectives: … factories constituting important and well-known centres for the production of weapons, ammunition or supplies that are clearly of a military character”. 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 163(c), p. 343.