Labor law dispute on the reviewability of a lower court judgment under German civil procedural rules

The German Federal Labour Court (BAG) dismissed the plaintiff's revision, upholding the lower court's judgment and ordering the plaintiff to bear the costs of the revision proceedings. The case concerned a dispute in which the plaintiff contested a labor-related ruling, although the specific factual background and subject matter are not detailed in the provided text. The court’s decision confirms the validity of the prior instance's outcome, resulting in a final loss for the plaintiff. No specific legal norms or doctrines are cited in the available excerpt to identify the precise legal basis of the decision.