۱. States and competent international organizations which have submitted to a coastal State a project to undertake marine scientific research referred to in article ۲۴۶, paragraph ۳, shall give notice to the neighbouring land-locked and geographically disadvantaged States of the proposed research project, and shall notify the coastal State thereof.
۲. After the consent has been given for the proposed marine scientific research project by the coastal State concerned, in accordance with article ۲۴۶ and other relevant provisions of this Convention, States and competent international organizations undertaking such a project shall provide to the neighbouring land-locked and geographically disadvantaged States, at their request and when appropriate, relevant information as specified in article ۲۴۸ and article ۲۴۹, paragraph ۱(f).
۳. The neighbouring land-locked and geographically disadvantaged States referred to above shall, at their request, be given the opportunity to participate, whenever feasible, in the proposed marine scientific research project through qualified experts appointed by them and not objected to by the coastal State, in accordance with the conditions agreed for the project, in conformity with the provisions of this Convention, between the coastal State concerned and the State or competent international organizations conducting the marine scientific research.
۴. States and competent international organizations referred to in paragraph ۱ shall provide to the above-mentioned land-locked and geographically disadvantaged States, at their request, the information and assistance specified in article ۲۴۹, paragraph ۱(d), subject to the provisions of article ۲۴۹, paragraph ۲.