tion of such period of three years, and the Bureau shall notify all Contracting Governments of such agreement.

(b) The North Sea and Atlantic Zones

The North Sea and Atlantic Zones shall extend for a distance of 100 miles from the coasts of the following countries:

Belgium
Denmark

the Federal Republic of Germany
Ireland

the Netherlands

the United Kingdom of Great Britain and Northern Ireland,

but not beyond the point where the limit of a 100-mile zone off the west coast of Jutland intersects the limit of the 50-mile zone off the coast of Norway.

(3) (a) Any Contracting Government may propose :

i) the reduction of any zone off the coast of any of its territories;

(ii) the extension of any such zone to a maximum of 100 miles from any such coast,

by making a declaration to that effect and the reduction or extension shall come into force after the expiration of a period of six months after the declaration has been made, unless any one of the Contracting Governments shall have made a declaration not less than two months before the expiration of that period that its interests are affected either by reason of the proximity of its coasts or by reason of its ships trading in the area, and that it does not accept the reduction or extension, as the case may be.

(b) Any declaration under this paragraph shall be made by a notification in writing to the Bureau which shall notify all Contracting Governments of the receipt of the declaration.

(a) Ballasting of and discharge of ballast from cargo tanks

1. Identity numbers of tank (s)

2. Type of oil previously contained in tank (s).

3. Date and place of ballasting..

4. Date and time of discharge of ballast water.

5. Place or position of ship

6. Approximate amount of oil-contaminated water

transferred to slop tank (s).

7. Identity numbers of slop tank (s)

(b) Cleaning of cargo tanks

8. Identity numbers of tank (s) cleaned._.

9. Type of oil previously contained in tank (s).

10. Identity numbers of slop tank (s) to which washings transferred.

ANNEX B-Continued

Form of Oil Record Book-Continued
I.-For Tankers-Continued

11. Dates and times of cleaning

(c) Settling in slop tank (s) and
discharge of water

12. Identity numbers of slop tank (s).
13. Period of settling (in hours).

14. Date and time of discharge of water.
15. Place or position of ship----
16. Approximate quantities of residue..

(d) Disposal from ship of oily residues
from slop tank (s) and other sources

17. Date and method of disposal..
18. Place or position of ship..
19. Sources and approximate quantities.

ANNEX B-Continued

Form of Oil Record Book-Continued
II.-For Ships Other Than Tankers

(a) Ballasting, or cleaning during voyage, of bunker fuel tanks

1. Identity number of tank (s).

2. Type of oil previously contained in tank (s).

3. Date and place of ballasting

4. Date and time of discharge of ballast or washing
water_

5. Place or position of ship-

6. Whether separator used: if so, give period of use.
7. Disposal of oily residue retained on board.

(b) Disposal from ship of oily residues from bunker
fuel tanks and other sources

8. Date and method of disposal..

9. Place or position of ship----
10. Sources and approximate quantities.

1. Date and time of occurrence_

2. Place or position of ship...

3. Approximate quantity and types of oil.

4. Circumstances of discharge or escape and general

remarks