we 
and the Black Sea constituted by the 41°N parallel and bounded to the west by 
the Straits of Gibraltar at the meridian of 5°36’W. . 
(b) The Baltic Sea area means the Baltic Sea proper with the Gulf of Bothnia, 
the Gulf of Finland and the entrance to the Baltic Sea bounded by the parallel 
of the Skaw in the Skagerrak at 57°44.8’N. 
(c) The Black Sea area means the Black Sea proper with the boundary between 
the Mediterranean and the Black Sea constituted by the parallel 41°N. 
(d) The Red Sea area means the Red Sea proper including the Gulfs of Suez 
and Aqaba bounded at the south by the rhumb line between Ras is Ane 
(12°8.5’N, 43°19.6’E) and Husn Murad (12°40.4'N, 43°30.2’B). 
(e) The “Gulfs area” means the sea area located north west of the rhumb 
line between Ras al Hadd (22°30’N, 59°48’E) and Ras Al Fasteh (25°04’'N, 
61°25’). 
(2) (a) Subject to the provisions of Regulation 1] of this Annex, any discharge 
into the sea of oil or oily mixture from any oil tanker end any ship of 400 tons 
sross tonnage and above other than an oil tanker shall be prohibited, while in a 
special area. 
(b) Such ships while in a special area shall retain on board all oil drainage 
and sludge, dirty ballast and tank washing waters and discharge them only to 
reception facilities. 
(3) (a) Subject to the provisions of Regulation 11 of this Annex, any discharge 
into the sea of oil or oily mixture from a ship of less than 400 tons gross ton- 
nage, other than an oil tanker, shall be prohibited while in a special ar@a, except 
when the oil content of the effluent without dilution does not exceed 15 parts 
per million or alternatively when all of the following conditions are satisfied : 
(i) the ship is proceeding en route; (ii) the oil content of the effluent is less 
than 100 parts per million; and (iii) the discharge is made as far ag practicable 
from the land, but in no case jess than 12 nautical miles from the nearest land. 
(b) No discharge into the sea shall contain chemicals or other substances in 
quantities or concentrations which are hazardous to the marine environment 
or chemicals or other substances introduced for the purpose of circumventing 
the conditions of discharge specified in this Regulation. 
(c) The oil residues which cannot be discharged into the sea in compliance 
with sub-paragraph (a) of this paragraph shall be retained on board or dis- 
charged to reception facilities. 
(4) The provisions of this Regulation shall not apply to the discharge of clean 
or segregated ballast. 
(5) Nothing in this Regulation shall prohibit a ship on a voyage only part of 
which is in a special area from discharging outside the special area in accord- 
ance with Regulation 9 of this Annex. 
(G) Whenever visible traces of oil are observed on or below the surface of the 
water in the immediate vicinity of a ship or its wake, the Governments of 
Parties to the Convention should, to the extent they are reasonably able to 
do so, promptly investigate the facts bearing on the issue of whether there 
has been a violation of the provisions of this Regulation or Regulation 9 of 
this Annex. The investigation should include, in particular, the wind and sea 
conditions, the track and speed of the ship, other possible sources of the visible 
traces in the vicinity, and any relevant oil discharge records. 
(7) Reception facilities within special areas: 
(a) Mediterranean Sea, Black Sea and Baltic Sea areas. 
(i) The Government of each Party to the Convention, the coastline of which 
borders on any given special area undertakes to ensure that not later than 
1 January 1977 all oil loading terminals and repair ports within the special 
area are provided with facilities adequate for the reception and treatment of 
all the dirty ballast and tank washing water from oil tankers. In addition all 
ports within the special area shall be provided with adequate reception facilities 
for other residues and oily mixtures from all ships. Such facilities shall have 
adequate capacity to meet the needs of the ships using them without causing 
undue delay. 
(ii) The Government of each Party having under its jurisdiction entrances to 
seawater courses with low depth contour which might require a reduction of 
draught by the discharge of ballast undertakes to ensure the provision of the 
facilities referred to in sub-paragraph (a) (i) of this paragraph but with the 
proviso that ships required to discharge slops or dirty ballast could be subject to 
some delay. 
