Artikel 42

1. Each oil tanker subject to this chapter that plans STS operations within the territorial sea, or the exclusive economic zone of a Party to the present Convention shall notify that Party not less than 48 hours in advance of the scheduled STS operations. Where, in an exceptional case, all of the information specified in paragraph 2 is not available not less than 48 hours in advance, the oil tanker discharging the oil cargo shall notify the Party to the present Convention, not less than 48 hours in advance that an STS operation will occur and the information specified in paragraph 2 shall be provided to the Party at the earliest opportunity.
2. The notification specified in paragraph 1 of this regulation shall include at least the following:
.1. name, flag, call sign, IMO Number and estimated time of arrival of the oil tankers involved in the STS operations;
.2. date, time and geographical location at the commencement of the planned STS operations;
.3. whether STS operations are to be conducted at anchor or underway;
.4. oil type and quantity;
.5. planned duration of the STS operations;
.6. identification of STS operations service provider or person in overall advisory control and contact information; and
.7. confirmation that the oil tanker has on board an STS operations Plan meeting the requirements of regulation 41.
3. If the estimated time of arrival of an oil tanker at the location or area for the STS operations changes by more than six hours, the master, owner or agent of that oil tanker shall provide a revised estimated time of arrival to the Party to the present Convention specified in paragraph 1 of this regulation.