Treaties, States Parties and Commentaries
Treaties and Documents
Geneva Conventions of 1949 and Additional Protocols, and their Commentaries
Historical Treaties and Documents
Rules concerning the Control of Wireless Telegraphy in Time of War and Air Warfare. Drafted by a Commission of Jurists at the Hague, December 1922 - February 1923.
Part II: Rules of Air Warfare#Chapter VI: Duties of belligerents towards neutral States and duties of neutrals towards belligerent States. - Art. 42.
Art. 42. A neutral Government is bound to use the means at its disposal to prevent belligerent military aircraft from entering its jurisdiction and to compel them to land or to alight on water if they have penetrated therein.
A neutral government is bound to employ the means at its disposal to intern every belligerent military aircraft which is found within its jurisdiction after landing or watering for whatever cause, as well as its crew and its passengers, if any.