CHAPTER IV - GENERAL OBLIGATIONS (Article 19-23a)Article 19 - Home Member State control Q&AArticle 20 - Languages Q&AArticle 21 - Access to regulated information RTSL2Q&AArticle 21a - European electronic access point [repealed] Q&AArticle 22 - Access to regulated information at Union level RTSArticle 23 - Third countries L2Q&AArticle 23a - Accessibility of information on the European single access point