Article 20 establishes the presumption of conformity: machinery and related products in conformity with harmonised standards or parts thereof referenced in the OJ, or with common specifications adopted by the Commission, are presumed in conformity with the EHSR covered by those standards / specifications. The presumption is sectoral by EHSR clause.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.