Update: Supplement for the International Convention relation to Intervention on the High Seas- Pollution Casualties, has been published and is available to download here
INTERNATIONAL CONVENTION RELATION TO INTERVENTION ON HIGH SEAS IN CASES OF OIL POLLUTION CASUALTIES, (Intervention), 1969 (1977 Edition)
The Intervention Convention deals with the need to protect the interests of coastal States directly affected or threatened by the consequences of a maritime casualty which might result in oil pollution of the sea or coastlines. This edition also the 1973 Protocol relating to Intervention on the High Seas in Cases of Pollution by Substances other than Oil, 1973.