Duration and validity of certificates
Article 10
1. Subject to Article 9, an inventory certificate shall be issued for a period specified by the administration, which shall not exceed five years. 2. An inventory certificate issued or endorsed under Article 9 shall cease to be valid in any of the following cases: (a) if the condition of the ship does not correspond substantially with the particulars of that inventory certificate, including where Part I of the inventory of hazardous materials has not been properly maintained and updated, reflecting changes in ship structure and equipment, taking into account the relevant IMO guidelines; (b) where the renewal survey is not completed within the intervals specified in Article 8(5). 3. A ready for recycling certificate shall be issued by the administration or by a recognised organisation authorised by it for a period not exceeding three months. 4. A ready for recycling certificate issued under Article 9(9) shall cease to be valid where the condition of the ship does not correspond substantially with the particulars of the inventory certificate. 5. By way of derogation from paragraph 3, the ready for recycling certificate may be extended by the administration or by a recognised organisation authorised by it for a single point to point voyage to the ship recycling facility.