Related Rule
Practice Relating to Rule 124. ICRC Access to Persons Deprived of Their Liberty
Sweden’s IHL Manual (1991) provides: “Inspection of prisoner of war camps under the III Geneva Convention has become one of the most important duties of a Protecting Power and of the ICRC.” 
Sweden, International Humanitarian Law in Armed Conflict, with reference to the Swedish Total Defence System, Swedish Ministry of Defence, January 1991, Section 4.1, p. 92.