See the full text: Proposal for a Directive of the European Parliament and of the Council on the conditions of entry and residence of third-country nationals for the purposes of research, studies, pupil exchange, remunerated
See the full text: Proposal for a Directive of the European Parliament and of the Council on the conditions of entry and residence of third-country nationals for the purposes of research, studies, pupil exchange, remunerated and unremunerated training, voluntary service and au pairing [Recast] [First reading] – Confirmation of the final compromise text with a view to agreement (LIMITE doc no: 13974-15, 71 pages, pdf)
See: European Parliament: Deal on new rules to attract non-EU students, researchers and interns to the EU (pdf)