Anyone carrying on electronic commerce must give the people it deals with easy, direct and permanent access to: for a natural person, name, surname and residence; for a legal person, its name, the name of its legal representative, its seat and commercial address; the detailed address, email address, website address, telephone numbers and any other contact means; the commercial register number and place and the tax registration; professional status and the professional rules that apply where it belongs to a regulated profession or union; and a detailed statement of the price with all taxes, fees and additional charges due. IT service providers (Article 71) and professionals publishing information online (Article 74) carry the same duty.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.