Règle correspondante
Switzerland
Practice Relating to Rule 126. Visits to Persons Deprived of Their Liberty
Switzerland’s Penal Code (1937), taking into account amendments entered into force up to 2011, which also contains a title on war crimes, states under the title “Execution of custodial sentences and custodial measures”:
Art. 84
1 The prison inmate has the right to receive visitors and to cultivate contacts with persons outside the institution. Contact with close relatives and friends shall be facilitated.
2 Contact may be monitored, and for the preservation of order and security in the penal institution it may be restricted or prohibited. 
Switzerland, Penal Code, 1937, taking into account amendments entered into force up to 2011, Article 84(1) and (2).
Switzerland’s Prison Rules (1985) states: “Detainees have the right to be visited once a week. The number of visitors is limited to two.” 
Switzerland, Règlement sur le régime intérieur de la prison et le statut des personnes incarcérées, 1985, Article 37(1).