The registrar allocates each company a registered number (section 1066) and may impose requirements as to the form, authentication and manner of delivery of documents, including electronic delivery and authentication through a Companies House account (sections 1068 to 1076, with the registrar's rules under section 1117); documents not meeting the requirements are not delivered (section 1072) and the registrar may reject or correct informal documents (sections 1073 to 1076). The registrar publishes notice of receipt of the documents section 1077 lists and a company may not rely on an event against a third party until public notice (section 1079); the register is annotated under section 1081 and the registrar notifies new directors of their appointment (section 1079B). Material not available for public inspection (residential addresses, emails, identity documents) is protected under section 1087.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.