The Advocate General of the Court of Justice of the European Union issued its opinion on the case between Facebook and Belgium's Data Protection Authority. The advocate general determined the one-stop-shop mechanism under the EU General Data Protection Regulation does not prevent regulatory authorities from bringing proceedings before a national judge as long as the issue falls under the GDPR. The case will now move to the Court of Justice of the European Union. Meanwhile, privacy activist Max Schrems has agreed to drop a legal challenge against Irish DPC since it agreed to proceed with a 2013 complaint challenging Facebook's transatlantic data flows.
UPDATE: 140121 - The IAPP have published an article breaking down the opinion and its meaning for one-stop shop and future enforcement efforts of DPAs.