Section 57. When off-site analysis is to be performed, samples shall be analysed in at least two designated labo

57. When off-site analysis is to be performed, samples shall be analysed in at least two designated laboratories. The Technical Secretariat shall ensure the expeditious processing of the analysis. The samples shall be accounted for by the Technical Secretariat and any unused samples or portions thereof shall be returned to the Technical Secretariat. 57. Each member of the Executive Council may consult with the Technical Secretariat on any issues regarding the adequacy of the plan for verification. If there are no objections by any member of the Executive Council, the plan shall be put into action. 57. After this confirmation, the State Party shall make the declaration that the facility has been destroyed. Verification of temporary conversion of a chemical weapons production facility into a chemical weapons destruction facility 57. The period of inspection shall not exceed 84 hours, unless extended by agreement with the inspected State Party. D. POST-INSPECTION ACTIVITIES Departure