114 



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 jurisdiction in relation to a person on 

 board the ship. 



2. The coastal State may not levy execu- 

 tion against or arrest the ship for the pur- 

 pose of any civil proceedings, save only in 

 respect of obligations or liabilities assumed 

 or incurred by the ship itself in the course 

 or for the purpose of its voyage through the 

 waters of the coastal State. 



3. The provisions of the previous para- 

 graph are without prejudice to the right of 

 the coastal State, in accordance with its laws, 

 to levy execution against or to arrest, for 

 the purpose of any civil proceedings, a for- 

 eign ship lying in the territorial sea, or pass- 

 ing through the territorial sea after leaving 

 internal waters. 



SUB-SECTION C. RULES APPLICABLE TO GOV- 

 ERNMENT SHIPS OTHER THAN WARSHIPS 



Article 21 



The rules contained in sub-sections A and 

 B shall also apply to government ships op- 

 erated for commercial purposes. u 



Article 22 



1. The rules contained in sub-section A 

 and in article 19 shall apply to government 

 ships operated for non<ommercial purposes. 



2, With such exceptions as are contained 

 in the provisions referred to in the preced- 

 ing paragraph, nothing in these articles af- 

 fects the immunities which such ships enjoy 

 under these articles or other rules of inter- 

 national law. 



SUB-SECTION D. RULE APPLICABLE TO 

 WARSHIPS 



Article 23 



If any warship does not comply with the 

 regulations of the coastal State concerning 

 passage through the territorial sea and dis- 

 regards any request for compliance which is 

 made to it, the coastal State may require the 

 warshij) to leave the territorial sea, 



PART II: CONTIGUOUS ZONE 



Article 24 



1. In a zone of the high seas contiguous 

 to its territorial sea, the coastal State may 

 exercise the control necessary to: 



{a) Prevent infringement of its cus- 

 toms, fiscal, immigration or sanitary regu- 

 lations within its territory or territorial sea; 



{b) Punish infringement of the above 

 regulations committed within its territory or 

 territorial sea. 



2. The contiguous zone may not extend 

 beyond twelve miles from the baseline from 

 which the breadth of the territorial sea is 

 measured. 



3. Where the coasts of two States are op- 

 posite or adjacent to each other, neither of 

 the two States is entided, failing agreement 

 between them to the contrary, to extend its 

 contiguous zone beyond the median line 

 every point of which is equidistant from the 

 nearest points on the baselines from which 

 the breadth of the territorial seas of the two 

 States is measured, 



PART III: FINAL ARTICLES 



Article 25 



The provisions of this Convention shall 

 not affect conventions or other international 

 agreements already in force, as between 

 States Parties to them. 



[Articles 26 to 32 inclusive are procedural 

 in nature and have been omitted,] 



