PARIS — A French antitrust authority has filed a complaint accusing Internet retailer of misleading consumers by posting fake original prices to give an impression of steep discounts.

In a press release, the DGCCRF, or General Directorate for Competition Policy, Consumer Affairs and Fraud Control, said it filed its complaint with local judicial authorities who will decide future measures., a household name in France that draws in consumers with flash sales of products from well-known labels, could not be reached for comment.

The DGCCRF’s investigation focused on the Internet site as well as documents obtained in June 2016.

The body noted it is scrutinizing Internet commerce in the country, particularly sales taking place in the form of events, as part of its mission to monitor fair pricing and promotional activity.

The authority launched investigations into 19 e-commerce retailers in February 2017, yielding several million euros in fines.