Article L552-12 of the French Code governing the entry and residence of foreign nationals and the right of asylum
A foreign national who does not have stable accommodation and who expresses the wish to lodge an asylum application may be admitted to one of the accommodation facilities mentioned in 2° of article L. 552-1 before their asylum application is registered.Decisions on admission and exit are taken by the French Office for Immigration and Integration, taking account of the foreign national’s personal and family situation.