8. Confirmation, when a plastic functional barrier is used in a plastic multi-layer, that the plastic material or article complies with the requirements of paragraphs 2 to 4 of Article 7a of the Directive.
8. Confirmation, when a plastic functional barrier is used in a plastic multi-layer, that the plastic material or article complies with the requirements of paragraphs 2 to 4 of Article 7a of the Directive.