The Briton believes the FIA should deny teams the chance to develop next season’s machine until a specific start date.
MAX Verstappen won the Italian Grand Prix after Charles Leclerc’s pit-stop gamble backfired.
The British driver finished 11th in practice behind Charles Leclerc.
The Mercedes driver started fourth and finished second behind Max Verstappen at the French Grand Prix.
Carlos Sainz, likely to start Sunday’s race from the back following engine penalties, led team-mate Charles Leclerc in a Ferrari one-two.
The former McLaren team-mates will both line up at the French Grand Prix this weekend.
Hamilton is preparing for his 300th start but reigning Formula E champion De Vries will tackle the opening session at the Circuit Paul Ricard.
The Australian was sacked as Formula One race director in February.
Hamilton’s Mercedes team-mate George Russell also ended up in the barriers
The Spaniard claimed his maiden F1 victory with Sergio Perez second and Lewis Hamilton third
