90 
Executive Director of the United Nations Environment Programme, support 
for those Parties which request technical assistance for: 
(a) the training of scientific and technical personnel ; 
(b) the supply of necessary equipment and facilities for reception and 
monitoring ; 
(c) the facilitation of other measures and arrangements to prevent or 
mitigate pollution of the marine environment by ships; and 
(d) the encouragement of research. 
preferably within the countries concerned, so furthering the aims and purposes 
of the present Convention. 
Article 18 
* DENUNCIATION 
(1) The present Convention or any Optional Annex may be denounced by any 
Parties to the Convention at any time after the expiry of five years from the 
date on which the Convention or such Annex enters into force for that Party. 
(2) Denunciation shall be effected by notification in writing to the Secretary- 
General of the Organization who shall inform all the other Parties of any such 
notification received and of the date of its receipt as well as the date on which 
such denunciation takes effect. 
(3) A denunciation shall take effect twelve months after receipt of the notifi- 
eation of denunciation by the Secretary-General of the Organization or after the 
expiry of any other longer period which may be indicated in the notification. 
Article 19 
DEPOSIT AND REGISTRATION 
(1) The present Convention shall be deposited with the Secretary-General of 
the Organization who shall transmit certified true copies thereof to all States 
which have signed the present Convention or acceded to it. 
(2) As soon as the present Convention enters into force, the text shall be 
transmitted by the Secretary-General of the Organization to the Secretary- 
General of the United Nations for registration and publication, in accordance 
with Article 102 of the Charter of the United Nations. 
Article 20 
LANGUAGES 
The present Convention is established in a single copy in the English, French. 
Russian and Spanish languages, each text being equally authentic. Official 
translations in the Arabic, German, Italian and Japanese languages shall be 
prepared and deposited with the signed original. 
In Witness Whereof the undersigned being duly authorized by their respec- 
tive Governments for that purpose have signed the present Convention. 
Done at London this second day of November, one thousand nine hundred and 
seventy-three. 
INTER-GOVERNMENTAL MARITIME—CONSULTATIVE ORGANIZATION— 
INTERNATIONAL CONFERENCE ON MARINE POLLUTION, 1973, 
AGENDA ITEM 7 
CONSIDERATION OF A DRAFT INTERNATIONAL CONVENTION FOR THE VREVENTION 
OF POLLUTION FrRoM Sirips, 1973 
Tert of Protocols as agreed by the Drafting Committee 
Prorocot TO ARTICLE S (PRorocort, 1)—REGULATIONS CONCERNING REPORTS ON 
INCIDENTS INVOLVING ITARMFUL SUBSTANCES 
Regulation 1 
DUTY TO REPORT 
(1) The Master of a ship involved in an incident referred to in Regulation 3, 
or other person having charge of the ship, shall report the particulars of such 
