Article 20 Information on contributing oil

Before this Protocol comes into force for a State, that State shall, when signing this Protocol in accordance with Article 19(2)(a), or when depositing an instrument referred to in Article 19(4) of this Protocol, and annually thereafter at a date to be determined by the Secretary-General, communicate to the Secretary-General the name and address of any person who in respect of that State would be liable to contribute to the Supplementary Fund pursuant to Article 10 as well as data on the relevant quantities of contributing oil received by any such person in the territory of that State during the preceding calendar year.