taken to implement the measures adopted in accordance with this Convention, whenever required by the Commission and as appropriate, subject to the provisions of Article XXII of this Convention and in accordance with the rules of procedure to be developed and adopted by the Commission.3. Each Party shall promptly, through the Director, inform the Committee for the Review of Implementation of Measures Adopted by the Commission established pursuant to the provisions of Article X of this Convention of:(a) legal and administrative provisions, including those regarding infractions and sanctions, applicable to compliance with conservation and management measures adopted by the Commission;(b) actions taken to ensure compliance with conservation and management measures adopted by the Commission, including, if appropriate, an analysis of individual cases and the final decision taken.4. Each Party shall:(a) authorize the use and release, subject to any applicable rules of confidentiality, of pertinent information recorded by on-board observers of the Commission or a national program;(b) ensure that vessel owners and/or captains allow the Commission, in accordance with the rules of procedure adopted by the Commission in this respect, to collect and analyze information necessary for carrying out the functions of the Committee for the Review of Implementation of Measures Adopted by the Commission;(c) provide to the Commission every six months a report on the activities of its tuna-fishing vessels and any other information necessary for the work of the Committee for the Review of Implementation of Measures Adopted by the Commission.5. Each Party shall take measures to ensure that vessels operating in waters under its national jurisdiction comply with this Convention and the measures adopted pursuant thereto.6. Each Party, where it has reasonable grounds to believe that a vessel flying the flag of another State has engaged in any activity that undermines the effectiveness of conservation and management measures adopted for the Convention Area, shall draw this to the attention of the flag State concerned and may, as appropriate, draw the matter to the attention of the Commission. The Party in question shall provide the flag State with full supporting evidence and may provide the Commission with a summary of such evidence. The Commission shall not circulate such information until such time as the flag State has had an opportunity to comment, within a reasonable time, on the allegation and evidence submitted for its consideration, or to object, as the case may be.7. Each Party, at the request of the Commission or of any other Party, when provided with relevant information that a vessel under its jurisdiction has carried out activities which contravene the measures adopted pursuant to this Convention, shall carry out a thorough investigation, and if appropriate proceed in accordance with its national legislation and inform, as soon as possible, the Commission and, if applicable, the other Party, of the results of its investigations and the actions taken.8. Each Party shall apply, in accordance with its national laws and in a manner consistent with international law, sanctions of sufficient gravity as to be effective in securing compliance with the provisions of this Convention and of measures adopted pursuant thereto and to deprive offenders of the benefits accruing from their illegal activities, including, as appropriate, refusal, suspension or withdrawal of the authorization to fish.9. The Parties whose coasts border the Convention Area or whose vessels fish for fish stocks covered by this Convention or in whose territory the catch is landed and processed shall cooperate with a view to ensuring compliance with this Convention and with a view to ensuring the application of the conservation and management measures adopted by the Commission, including through the adoption of cooperative measures and schemes, as appropriate.10. If the Commission determines that vessels fishing in the Convention Area have engaged in activities which undermine the effectiveness of or otherwise violate the conservation and management measures adopted by the Commission, the Parties may take action, following the recommendations adopted by the Commission and in accordance with this Convention and international law, to deter such vessels from such activities until such time as appropriate action is taken by the flag State to ensure that such vessels do not continue those activities.Article XIXImplementation, compliance and enforcement by fishing entitiesArticle XVIII of this Convention applies, mutatis mutandis, to fishing entities that are members of the Commission.Article XXDuties of flag States1. Each Party shall, in accordance with international law, take such measures as may be necessary to ensure that vessels flying its flag comply with the provisions of this Convention and the conservation and management measures adopted pursuant thereto, and that such vessels do not engage in any activity which undermines the effectiveness of such measures.2. No Party shall allow any vessel entitled to fly its flag to be used for fishing for fish stocks covered by this Convention unless it has been authorized to do so by the appropriate authority or authorities of that Party. A Party shall authorize the use of vessels flying its flag for fishing in the Convention Area only where it is able to exercise effectively its responsibilities in respect of such vessels under this Convention.3. In addition to its obligations under paragraphs 1 and 2 of this Article, each Party shall take such measures as may be necessary to ensure that vessels flying its flag do not fish in areas under the sovereignty or national jurisdiction of any other State in the Convention Area