Case T-310/18: Judgment of the General Court of 24 October 2019 –EPSU and Goudriaan v Commission (Social policy — Dialogue between the social partners at EU level — Agreement entitled ‘General framework for informing and consulting civil servants and employees of central government administrations’ — Joint request of the signatory parties seeking the implementation of that agreement at EU level — Refusal by the Commission to submit a proposal for a decision to the Council — Action for annulment — Challengeable act — Admissibility — Commission’s discretion — Autonomy of the social partners — Principle of subsidiarity — Proportionality)