Before manufacturing or modifying vessels for high-pressure gases, the Manufacturer shall fill up the type inspection application form (Annex 31) and submit the same along with the documents listed below tothe local inspecting organization:1. Type, detailed structure drawings and strength calculation sheet for the vessel for high-pressure gases applying for inspection.2. Type, capacity and quantity of the manufacturing and inspection equipment.3. Brief description ofeducational background and working experience of the chief designer.4. Brief description of educational background and working experience of the construction director.5. Qualification requirements and number of constructors.6. Qualification certificate of the welders, specification of welding procedures and qualification records of the welding procedures.Any alteration of the equipment stipulated 2 or change of personnel stipulated in Items 3 and 4 of the preceding Paragraph shall be reported to the local inspecting organization.The inspecting organization shall issue the Qualification Certificate of Type Inspection for Manufacturing Equipment (Annex 2) for qualifiers in the type inspection as stipulated in Paragraph 1.The manufacture or modification shall prohibited from implementationt without passing the inspection. However, this shall not apply to the case where the types and conditions that have already passed the type inspection.