According to their declarations on the reasons for their trip, foreign nationals whose stay is not of a family or private nature shall present as appropriate:
1° For a tourist stay, any document likely to establish the purpose and conditions of this stay, in particular its duration;
2° For a professional trip, any document providing details of his profession or capacity as well as the establishments or organisations located on French territory by which he is expected;
3° For a stay motivated by hospitalisation, any document justifying that he meets the conditions required by article R. 6145-4 of the Public Health Code for admission to public health establishments, except in the case of seriously ill or injured persons seeking emergency treatment in a French establishment;
4° For a stay motivated by research work within the meaning of article L. 421-15, the residence permit issued by a Member State of the European Union, or by the Principality of Liechtenstein, the Republic of Iceland, the Kingdom of Norway or the Swiss Confederation, the hosting agreement signed in the same State as well as one of the supporting documents provided for in Article R. 313-2.