IMO Resolution A 747/18 on the application of tonnage measurement in segregated ballast oil tankers

The purpose of this proposal for a regulation was the implementation within the Community of resolution A.722/17 of the International Maritime Organisation (IMO) on the tonnage measurement of ballast tanks on board segregated ballast oil tankers, which were currently penalised in terms of port dues since, capacity for capacity, their registered tonnage was greater than that of conventional, 'dirtier' tankers. Under the proposal: - only oil tankers meeting the definition of MARPOL Convention 73/78 on the replacement of ballast water should be considered as segregated ballast oil tankers, and should be clearly identified as such; - any vessel meeting this definition should be certified as a segregated ballast oil tanker and this should be recorded on its international oil pollution prevention certificate; - the vessel's registered tonnage should be calculated in accordance with the rules of the 1969 International Convention on Tonnage Measurement of Ships and a formula set out in the Annex to the directive. The figure arrived at should be entered on the vessel's international tonnage certificate by the body issuing it, under the heading 'remarks'; - the body calculating the dues payable by the oil tanker should deduct from the vessel's gross registered tonnage the capacity of the segregated ballast tanks of the vessel equipped with such tanks, as indicated under the heading 'remarks' in the vessel's international tonnage certificate. �