Article 266.
Hungary undertakes to enforce the necessary measures to ensure that all Hungarian aircraft flying over her territory shall comply with the Rules as to lights and signals, Rules of the Air and Rules for Air Traffic on and in the neighbourhood of aerodromes, which have been laid down in the Convention relative to Aerial Navigation concluded between the Allied and Associated Powers.
Article 267.
The obligations imposed by the preceding provisions shall remain in force until January 1, 1923, unless before that date Hungary shall have been admitted into the League of Nations or shall have been authorised by consent of the Allied and Associated Powers to adhere to the Convention relative to Aerial Navigation concluded between those Powers.
Part XII.
Ports, Waterways and Railways.
Section I.
General Provisions.
Article 268.
Hungary undertakes to grant freedom of transit through her territories on the routes most convenient for international transit, either by rail, navigable waterway or canal, to persons, goods, vessels, carriages, wagons and mails coming from or going to the territories of any of the Allied and Associated Powers, whether contiguous or not.
Such persons, goods, vessels, carriages, wagons and mails shall not be subjected to any transit duty or to any undue delays or restrictions, and shall be entitled in Hungary to national treatment as regards charges, facilities and all other matters.
Goods in transit shall be exempt from all customs or other similar duties.
All charges imposed on transport in transit shall be reasonable, having regard to the conditions of the traffic. No charge, facility or restriction shall depend directly or indirectly on the ownership or on the nationality of the ship or other means of transport on which any part of the through journey has been, or is to be, accomplished.
Article 269.
Hungary undertakes neither to impose nor to maintain any control over transmigration traffic through her territories beyond measures necessary to ensure that passengers are bona fide in transit; nor to allow any shipping company or any other private body, corporation or person interested in the traffic to take any part whatever in, or to exercise any direct or indirect influence over, any administrative service that may be necessary for this purpose.
Article 270.
Hungary undertakes to make no discrimination or preference, direct or indirect, in the duties, charges and prohibitions relating to importations into or exportations from her territories, or, subject to the special engagements contained in the present Treaty, in the charges and conditions of transport of goods or persons entering or leaving her territories, based on the frontier crossed; or on the kind, ownership or flag of the means of transport (including aircraft) employed; or on the original or immediate place of departure of the vessel, wagon or aircraft, or other means of transport employed, or its ultimate or intermediate destination, or on the route of or places of transhipment on the journey; or on whether the goods are imported or exported directly through a Hungarian port or indirectly through a foreign port; or on whether the goods are imported or exported by land or by air.
Hungary particularly undertakes not to establish against the ports and vessels of any of the Allied and Associated Powers any surtax or any direct or indirect bounty for export or import by Hungarian ports or ships, or by those of another Power, for example by means of combined tariffs. She further undertakes that persons or goods passing through a port or using a vessel of any of the Allied and Associated Powers shall not be subjected to any formality or delay whatever to which such persons or goods would not be subjected if they passed through a Hungarian port or a port of any other Power, or used a Hungarian vessel or a vessel of any other Power.
