II SERIE-A — NUMER0 69
Article 19 Meaning of innocent passage
1 — Passage is innocent so long as it is not prejudicial to the peace, good order or security of the coastal State. Such passage shall take place in conformity with this Convention and with other rules of international law.
2 — Passage of a foreign ship shall be considered, to be prejudicial to the peace, good order or security of the coastal State if in the territorial sea it engages in any of the following activities:
a) Any threat or use of force against the sovereignty, territorial integrity or political independence of the coastal State, or in any other manner in violation of the principles of international law embodred in the Charter of United Nations;
b) Any exercise or practice with weapons of any kind;
' c) Any act aimed at collecting information to the prejudice of the defence security of the coastal State;
d) Any act of propaganda aimed at affecting the. defence or security of the coastal State;
e) The launching, landing or taking on board of any aircraft;
f) The lauching, landing or taking on board of any military device;
g) The loading or unloading of any commodity, currency or person contrary to the customs, fiscal, immigration or sanitary laws and regulations of the coastal State;
h) Any act of wilful and serious pollution contrary to this Convention;
i) Any fishing activities;
;') The carrying out of research or survey activities; k) Any act aimed at interfering with any systems
of communication or any other facilities or
installations of the coastal State; f) Any other activity not having a direct bearing
Article 20 Submarines and other underwater vehicles
In the territorial sea, submarines and other underwater vehicles are required to navigate on the surface arid to show their flag.
Laws and regulations of the coastal State relating to innocent passage
1 — The coastal State may adopt laws and regulations, in conformity with the provisions of this Convention and other rules of international law, relating to innocent passage through the territorial sea, in respect of all or any of the following:
a) The safety of navigation and the regulation of maritime traffic;
b) The protection of navigational aids and facilities and other facilities or installations;
c) The protection of cables and pipelines;
d) The conservation of the living resources of the sea;
e) The prevention of infringement of the fisheries laws and regulations of the coastal State;
f) The preservation of the environment of the coastal State and the prevention, reduction and control of pollution thereof;
g) Marine scientific research and hidrographic
h) The prevention of infringement of the customs, fiscal, immigration or sanitary laws and regulations of the coastal State.
2 — Such laws and regulations shall not apply to the design, construction, manning or equipment of foreign ships unless they are giving effect to generally accepted international rules or standards.
3 — The coastal State shall give due publicity to all such laws and regulations.
4 — Foreign ships exercising the right of innocent passage through the territorial sea shall comply with all such laws and regulations and all generally accepted international regulations relating to the prevention of collisions at sea.
Sea lanes and traffic separation schemes in the territorial sea
1 — The coastal State may, where necessary having regard to the safety of navigation, require foreign ships exercising the right of innocent passage through its territorial sea to use such sea lanes and traffic separation schemes as it may designate or prescribe for the regulation of the passage of ships.
2 — In.particular, tankers, nuclear-powered ships and ships carrying nuclear or other inherently dangerous or noxious substances or materials may be required to confine their passage to such sea lanes.
3 — In the designation of sea lanes and the prescription of traffic separation schemes under this article, the coastal State shall take into account:
a) The recommendations of the competent international organization;
b) Any channels customarily used for international navigation;
c) The special characteristics of particular ships and channels; and
d) The density of traffic.
4 — The coastal State shall clearly indicate such sea lanes and traffic separation schemes on charts to which due publicity shall be given.
Article 23 .
Foreign nuclear-powered ships and ships carrying nuclear or other inherently dangerous or noxious substances
Foreign nuclear-powered ships and ships carrying nuclear or other inherently dangerous or noxious substances shall, when exercising the right of innocent passage through the territorial sea, carry documents and observe special precautionary measures established for such ships by international agreements.
Article 24 Duties of the coastal Stale
1 —The coastal State shall not hamper the innocent passage of foreign ships through the territorial sea except in accordance with this Convention. In particular, in