When applying for the alteration inspection of vessel of high-pressure gases, the Manufacturer shall fill up the Application Form for Alteration Inspection of Vessel of High-Pressure Gases (Annex 43) and submit the documents as shown below.1. Qualification certificate of the type inspection of the manufacturing equipment.2. 2 copies of specification of the vessel of high-pressure gases.3. Drawings of the altered parts.4. Two (2) copies each of the detailed structure drawing and strength calculation sheets,. However, this requirement may be exempted if the inspecting organization deems it unnecessary.5. Original certificates for qualification of inspections or their photocopies.Stipulations of Paragraph 3 of Articles 151 and 152 shall apply mutatis mutandis to the inspection.