Before manufacturing or revising the Category Ι pressure vessels, the Manufacturer shall fill the type inspection application (Annex 31) and submit the application along with the documents listed below at local inspecting organizations:1. Type, detailed structure drawings and strength calculation sheet for the Category Ι pressure vessel applying for inspection.2. Type, capacity and quantity of the manufacturing and inspection equipment.3. Educational background and working experience of the chief designer.4. Educational background and working experience of the principal of construction.5. Qualifications and number of constructors.6. For sealing manufacture or revision, qualification certificates of the sealer, procedure of sealing and records of qualification inspection for sealing procedure shall be provided.Any alteration of the equipment stipulated in subparagraph 2 or personnel stipulated in paragraphs 3,4 of the previous 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 revision shall not be carried out without passing the inspection. However, this shall not apply to types and conditions that have already passed the type inspection.