Commission Delegated Regulation (EU) 2021/2104 of 19 August 2021 laying down detailed rules on the operation of the web portal, pursuant to Article 49(6) of Regulation (EU) 2019/817 of the European Parliament and of the Council Basic information In force CELEX number: 32021R2104 Official Journal: JOL_2021_429_R_0005 Form: Regulation Procedure number: -- Languages: bg cs da de el en et fi fr ga hr hu it lv lt mt nl pl pt ro sk sl es sv Dates Date of document: Date of publication: Date of effect: December 21, 2021 Entry into force - Date pub. +20 See Art 8 Modified by Modifies Affected by case Legal basis EuroVoc Vocabulary EU Member State Elimination of internal border controls Data collection Exchange of information Personal data Justice and home affairs Technical specification Schengen Information System Crossing external borders EU migration policy Information system Data protection Free movement of persons Information security