CHAPTER IIIADMISSION OF RESEARCHERS
Article 7Conditions for admission
1.
A third-country national who applies to be admitted for the purposes set out in this Directive shall:
(a)
present a valid travel document, as determined by national law. Member States may require the period of the validity of the travel document to cover at least the duration of the residence permit;
(b)
present a hosting agreement signed with a research organisation in accordance with Article 6(2);
(c)
where appropriate, present a statement of financial responsibility issued by the research organisation in accordance with Article 6(3); and
(d)
not be considered to pose a threat to public policy, public security or public health.
Member States shall check that all the conditions referred to in points (a), (b), (c) and (d) are met.
2.
Member States may also check the terms upon which the hosting agreement has been based and concluded.
3.
Once the checks referred to in paragraphs 1 and 2 have been positively concluded, researchers shall be admitted on the territory of the Member States to carry out the hosting agreement.