Article 13 provides that an importer, distributor or other economic operator is considered to be a manufacturer + subject to Article 9 obligations where the operator places on the market under its own name or trademark, modifies the product in a way that may affect compliance with Article 5, or carries out other Article 13(2) modifications. Article 16 establishes the 'responsible person in the Union' rule: a product can only be placed on the market if there is an economic operator established in the Union responsible for the Article 9 + Article 10 + Article 16(2)-(3) obligations (manufacturer or its authorised representative or the importer or - new under GPSR - a fulfilment service provider established in the Union; Article 16(4) records and tasks).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.