Special categories of employee data may be processed for the employment contract where necessary to exercise rights or meet legal obligations under employment, social security and social protection law and there is no reason to think the employee's legitimate interests prevail; consent to such processing must meet Article 27(2) and refer explicitly to the data, and the Article 22(3)(b) logging safeguard applies.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.