Court of Justice (Ninth Chamber) 4 April 2019, C-699/17 (Proceedings brought by Allianz Vorsorgekasse AG.)

JUDGMENT OF THE COURT (Ninth Chamber) 4 April 2019 ( *1 ) (Reference for a preliminary ruling — Public procurement — Conclusion of accession agreements with an occupational provident fund responsible for managing contributions of occupational solidarity — Conclusion requiring the agreement of employees or their representatives — Directive 2014/24/EU — Articles 49 and 56 TFEU — Principles of equal