Соответствующая норма
Practice Relating to Rule 119. Accommodation for Women Deprived of Their Liberty
Switzerland’s Basic Military Manual (1987) provides: “Women shall be provided separate dormitories.” 
Switzerland, Lois et coutumes de la guerre (Extrait et commentaire), Règlement 51.7/II f, Armée Suisse, 1987, Article 119.
Switzerland’s Penal Code (1937), taking into account amendments entered into force up to 2011, which also contains a section on war crimes, states under the title “Execution of sentences and measures, probation assistance, facilities”:
Art. 377
1 The cantons shall establish and operate institutions and institution units for prison inmates in open and secure custody as well as for prison inmates in semi-detention and in day release employment.
2 They may also provide units for special inmate groups, and in particular for:
a. women. 
Switzerland, Penal Code, 1937, taking into account amendments entered into force up to 2011, Article 377(1) and (2)(a).
Switzerland’s ABC of International Humanitarian Law (2009) states:
International humanitarian law calls for the special protection of women. … Other special provisions protect women who are members of the armed forces, for example in the case of women who are Prisoners of war, who are to be housed separately from men and are to be placed under the direct supervision of other women. 
Switzerland, Federal Department of Foreign Affairs, ABC of International Humanitarian Law, 2009, p. 42.
In 2010, in its Report on IHL and Current Armed Conflicts, Switzerland’s Federal Council stated:
3.4 [Increasing use] of anti-guerrilla tactics
Apart from the direct fight against insurgents, international humanitarian law also addresses other anti-guerrilla tactics. … If members of militias or opposition groups fall into the hands of the government they benefit from the protection of art. 75 of [the 1977] Additional Protocol I as well as that of art. 3 common to the [1949] Geneva Conventions. 
Switzerland, Federal Council, Report on IHL and Current Armed Conflicts, 17 September 2010, Section 3.4, p. 15.
[footnotes in original omitted]