Goods receipt and storage of the individual components and the entire manufacturing process of the end product must be consistently documented by the contractor. This also includes checking the delivered lining tube on the basis of the delivery note. The delivery note must show the:

• Designation of the lining tube,
• Exact formulation codes or subcategory of the product designation,
• Delivery wall thickness of the lining tube,
• Inner diameter of the host pipe or the hydraulic replacement circuit in the case of special profiles,
• Impregnation date of the lining tube,
• Length of the lining tube.