Related Rule
Germany
Practice Relating to Rule 105. Respect for Family Life
Germany’s Military Manual (1992) provides:
Civilians who do not take part in hostilities shall be respected and protected. They are entitled to respect for their persons, their honour, their family rights, their religious convictions, and their manners and customs. 
Germany, Humanitarian Law in Armed Conflicts – Manual, DSK VV207320067, edited by The Federal Ministry of Defence of the Federal Republic of Germany, VR II 3, August 1992, English translation of ZDv 15/2, Humanitäres Völkerrecht in bewaffneten KonfliktenHandbuch, August 1992, § 502 (protection of the civilian population); see also § 532 (belligerent occupation).
In 2005, in its Seventh Human Rights Policy Report, Germany’s Federal Government reported to the Bundestag (Lower House of Parliament):
With the 1998 guidelines on the handling of crises related to internally displaced persons (“Guiding Principles on Internal Displacement”) by the then Representative of the UN Secretary-General on the Human Rights of Internally Displaced Persons, Francis Deng, the international community has a practice-oriented document, which summarizes existing standards on the protection of internally displaced persons and gives further recommendations. Although these guiding principles are not a binding instrument under international law, their acceptance by States, international organizations and NGOs has continued to grow over the past years, so that now they are virtually regarded as customary international law. 
Germany, Federal Government, Seventh Human Rights Policy Report, 17 June 2005, pp. 97–98.
In 2005, in its Seventh Human Rights Policy Report, Germany’s Federal Government reported to the Bundestag (Lower House of Parliament):
With the 1998 guidelines on the handling of crises related to internally displaced persons (“Guiding Principles on Internal Displacement”) by the then Representative of the UN Secretary-General on the Human Rights of Internally Displaced Persons, Francis Deng, the international community has a practice-oriented document, which summarizes existing standards on the protection of internally displaced persons and gives further recommendations. Although these guiding principles are not a binding instrument under international law, their acceptance by States, international organizations and NGOs has continued to grow over the past years, so that now they are virtually regarded as customary international law. 
Germany, Federal Government, Seventh Human Rights Policy Report, 17 June 2005, pp. 97–98.