Article L3132-31 of the French Labour Code
The Labour Inspector may, notwithstanding any criminal proceedings, refer the matter to the court in summary proceedings in order to order all appropriate measures to put an end to the unlawful employment of employees in breach of the provisions of articles L. 3132-3 and L. 3132-13 in retail establishments and establishments providing services to consumers. In particular, the court may order the establishment or establishments concerned to close on Sundays….