Article L8252-4 of the French Labour Code
The sums due to the foreign national not authorised to work, in the cases provided for in 1° to 3° of article L. 8252-2, are paid to him/her by the employer within thirty days of the offence being detected. When the foreign national is placed in administrative detention pursuant to articles L. 740-1 or L. 751-8 of the Code de l’entrée et du séjour des étrangers et du droit d’asile…