296 

 Sub-section B. Rules Applicable to Merchant Ships 



Article 18 



1, No charge may be levied upon foreign ships by reason only of 

 their passage through the territorial sea. 



2. Charges may be levied upon a foreign ship passing through the 

 territorial sea as payment only for specific services rendered to the 

 ship. These charges shall be levied without discrimination. 



Article 19 



1. The criminal jurisdiction of the coastal State should not be 

 exercised on board a foreign ship passing through the territorial sea to 

 arrest any person or to conduct any investigation in connexion with 

 and crime committed on board the ship during its passage, save only 

 in the following cases : 



(a) If tne consequences of the crime extend to the coastal State ; 

 or 



(5) If the crime is of a kind to disturb the peace of the country 

 or the good order of the territorial sea ; or 



(<?) If the assistance of the local authorities has been requested 

 by tne captain of the ship or by the consul of the country whose 

 flag the ship flies ; or 



{d) If it is necessary for the suppression of illicit traffic in 

 narcotic drugs. 



2. The above provisions do not affect the right of the coastal State 

 to take any steps authorized by its laws for the purpose of an arrest 

 or investigation on board a foreign ship passing through the territorial 

 sea after leaving internal waters. 



3. In the cases provided for in p.^ragraphs 1 and 2 of this article, 

 the coastal State shall, if the captain so requests, advise the consular 

 authority of the flag State before taking any steps, and shall facili- 

 tate contact between such authority and the ship's crew. In cases of 

 emergency this notification may be communicated while the measures 

 are being taken. 



4. In considering whether or how an arrest should be made, the local 

 authorities shall pay due regard to the interests of navigation. 



5. The coastal State may not take any steps on board a foreign ship 

 passing through the territorial sea to arrest any person or to conduct 

 any investigation in connexion with any crime committed before the 

 ship entered the territorial sea, if the ship, proceeding from a foreign 

 port, is only passing through the territorial sea without entering 

 internal waters. 



Article 20 



1. The coastal State should not stop or divert a foreign ship passing 

 through the territorial sea for the purpose of exercising civil jurisdic- 

 tion in relation to a person on board the ship. 



