相关规则
Switzerland
Practice Relating to Rule 50. Destruction and Seizure of Property of an Adversary
Switzerland’s Basic Military Manual (1987) provides: “It is prohibited to destroy or seize enemy property except in cases where such destruction and seizure are imperatively demanded by the necessities of war.” 
Switzerland, Lois et coutumes de la guerre (Extrait et commentaire), Règlement 51.7/II f, Armée Suisse, 1987, Article 21.
The manual adds that “extensive destruction and appropriation of property, not justified by military necessity and carried out unlawfully and wantonly,” is a grave breach of the 1949 Geneva Conventions and a war crime. 
Switzerland, Lois et coutumes de la guerre (Extrait et commentaire), Règlement 51.7/II f, Armée Suisse, 1987, Article 192(d).
Switzerland’s Aide-Memoire on the Ten Basic Rules of the Law of Armed Conflict (2005) states: “I do not destroy more than is inevitable for accomplishing my mission.” 
Switzerland, The Ten Basic Rules of the Law of Armed Conflict, Aide-memoire 51.007/IIIe, Swiss Army, issued based on Article 10 of the Ordinance for Organization of the Federal Department for Defence, Civil Protection and Sports dated 7 March 2003, entry into force on 1 July 2005, Rule 3.
Switzerland’s Regulation on Legal Bases for Conduct during an Engagement (2005) states:
201 Pillage and wilful damage to civilian property, as well as to facilities and objects indispensable to the survival of the civilian population (e.g. water supply), are prohibited at any time and in any place.
202 The use of civilian, non-government resources and immovable property (requisition) is permitted but must be confirmed and compensated for. Superiors make the necessary arrangements.
17 Sanctions for violations of the international law of armed conflict
237 The following in particular are criminal offences: … marauding (appropriation, without valid motive, of movable goods for use in active service), pillaging and war robbery (see Art. 108 et seq. and Art. 138 et seq. of the Military Criminal Code). 
Switzerland, Bases légales du comportement à l’engagement (BCE), Règlement 51.007/IVf, Swiss Army, issued based on Article 10 of the Ordinance on the Organization of the Federal Department for Defence, Civil Protection and Sports of 7 March 2003, entry into force on 1 July 2005, §§ 201–202 and 237.
Switzerland’s Military Criminal Code (1927), taking into account amendments entered into force up to 2011, states in a chapter entitled “War crimes”:
Art. 110
Articles 112–114 apply in the context of international armed conflicts, including in situations of occupation, and, if the nature of the offence does not exclude it, in the context of non-international armed conflicts.
Art. 111
1 The penalty shall be a custodial sentence of not less than five years for any person who commits, in the context of an international armed conflict, a grave breach of the Geneva Conventions of 12 August 1949, namely one of the following acts against persons or objects protected under one of these Conventions:
d. extensive destruction or appropriation of property not justified by military necessity;
2 Acts covered by paragraph 1 committed in the context of a non-international armed conflict are equivalent to grave breaches of international humanitarian law if they are directed against a person or object protected by that law.
Art. 112c
1 The penalty shall be a custodial sentence of not less than three years for any person who, in the context of an armed conflict:
c. as a method of warfare, … unnecessarily destroys or seizes enemy property. 
Switzerland, Military Criminal Code, 1927, taking into account amendments entered into force up to 2011, Articles 110, 111(1)(d), 111(2) and Article 112c (1)(c).
Switzerland’s Penal Code (1937), taking into account amendments entered into force up to 2011, states under the title “War crimes”:
Art. 264b
Articles 264d–264j apply in the context of international armed conflicts, including in situations of occupation, and, if the nature of the offence does not exclude it, in the context of non-international armed conflicts.
Art. 264c
1 The penalty shall be a custodial sentence of not less than five years for any person who commits, in the context of an international armed conflict, a grave breach of the Geneva Conventions of 12 August 1949, namely one of the following acts against persons or objects protected under one of these Conventions:
d. extensive destruction or appropriation of property not justified by military necessity;
2 Acts covered by paragraph 1 committed in the context of a non-international armed conflict are equivalent to grave breaches of international humanitarian law if they are directed against a person or object protected by that law.
Art. 264g
1 The penalty shall be a custodial sentence of not less than three years for any person who, in the context of an armed conflict:
c. as a method of warfare, … unnecessarily destroys or seizes enemy property. 
Switzerland, Penal Code, 1937, taking into account amendments entered into force up to 2011, Articles 264b, 264c (1)(d) and (2), and 264g (1)(c).
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