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1. For the purpose of this Convention, the competent authority, after consultation, may decide to use length overall (LOA) in place of length (L) as the basis for measurement, in accordance with the equivalence set out in Annex I. In addition, for the purpose of the paragraphs specified in Annex III of this Convention, the competent authority, after consultation, may decide to use gross tonnage in place of length (L) or length overall (LOA) as the basis for measurement in accordance with the equivalence set out in Annex III.
2. In the reports submitted under article 22 of the Constitution, the Member shall communicate the reasons for the decision taken under this Article and any comments arising from the consultation.