Per Spain Esquema Nacional de Seguridad (ENS) Royal Decree 311/2022: system categorisation. Requirements include (a) System Categorisation (Low, Medium, High) + (b) Security Policy and Governance Framework + (c) Statement of Applicability of Measures + (d) align with CCN-CERT.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.