Article 12 confirms that obligations to make data available imposed by sectoral Union law (e.g. PSD2 access to payment-account data, AVMSD content-data obligations, the proposed European Health Data Space) operate alongside the Data Act FRAND/Article 8 baseline. The sectoral regime is the lex specialis but Article 8 + Article 9 + Article 10 + Article 11 provide horizontal floor requirements.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.