3. Article

Notwithstanding the above provision, a Contracting Party may take measures to cover the wreck or to prevent pollution of the marine environment from the wreck. Article 5 Each Contracting Party undertakes to submit information to another Contracting Party on pending or on-going activities having been criminalized in conformity with Article 4 and involving a vessel flying the flag of that Contracting Party. Article 6 This agreement shall enter into force thirty days after the date when The Contracting Parties have notified the other Contracting Parties in writing that the necessary constitutional procedures for its entry into force have been completed. Done at Tallinn on 23 February 1995 in three originals, each in the English language. In witness whereof the undersigned, duly authorized thereto, have signed this Agreement. Protocol Additional To The Agreement Between The Republic Of Estonia, The Republic Of Finland And The Kingdom Of Sweden Regarding The M/S Estonia The government of the Kingdom of Sweden, the government of the Republic of Estonia and the government of the Republic of Finland Being Parties to the Agreement on the protection of the wreck of the M/S Estonia, signed at Tallinn on 23 February 1995, Wishing to further strengthen the protection of the wreck, as a final place of rest of the victims of the disaster, from any disturbing activities, have agreed as follows: Article 1 All States, wishing to do so, may accede to the Agreement between the Republic of Estonia, the Republic of Finland and the Kingdom of Sweden on the protection of the wreck of the M/S Estonia, signed at Tallinn on 23 February 1995. Article 2 Each State acceding to the Agreement shall deposit its instrument of accession with the Government of Sweden. Article 3 The Agreement shall enter into force for a State acceding to the Agreement on the date of the deposition of the instrument of accession with the depository. Done at Stockholm on 23 April 1996