HomeMaritime Matters Status Lists ...Agreement Concerning Interim Arrangements Relating to Polymetallic Nodules of the Deep Sea Bed, done at Washington September 2, 1982 hide Agreement Concerning Interim Arrangements Relating to Polymetallic Nodules of the Deep Sea Bed, done at Washington September 2, 1982 Depositary – Treaty Affairs Office of Treaty Affairs Entered into force September 2, 1982. In accordance with Article 11, this Agreement shall enter into force upon signature. After entry into force of this Agreement, additional States may be invited to accede to this Agreement at any time with the consent of all Parties. Download Status list [112 KB] Tags Maritime Matters Multilateral Treaties