Information and documents
The presentation of all documents does not guarantee the issuance of visa.
The visa does not guarantee entry into the French or Schengen territory. It is essential that you carry with you the documents that enabled you to get your visa.
According to French legislation, the employee’s salary cannot be lower than the SMIC [minimum wage], amounting to a gross hourly rate of 9,67 euros as of 1st January 2016 (1466,62 euros monthly on the basis of 35 working hours per week).
Any employee working in France needs to be registered to the URSSAFF, even for very short periods:http://www.tpee.urssaf.fr/tpeewebinfo/cms/lang/en/page200.html