“These new and enhanced measures reinforce the Festival’s commitment to honoring work that upholds the highest standards of truth, fairness, transparency, and creative excellence,” Cannes said.

Cannes Lions has not yet commented on a separate case under review: LePub’s Bronze Lion-winning “Followers Store” campaign for New Balance and São Paulo FC, which is also facing scrutiny for allegedly unverifiable performance claims and a lack of client approval.

Correction 6/27 at 3:55pm ET: The headline and lead have been clarified to show that the Cannes Lions and DM9 jointly agreed to withdraw the Grand Prix.