Williams has been handed a $25,000 fine for the unsafe release of Lance Stroll during his second pit-stop at the Mexican Grand Prix.
Stroll made his second stop on lap 23 for a set of Supersoft tyres to go to the end of the race, as he left his pit box one of the team members had been knocked to the ground.
The FIA deemed it an unsafe release as the crew were not fully cleared of the car upon its release.
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Tighter rules were put in place after the Bahrain Grand Prix where Ferrari's Francesco Cigarini was knocked down by Kimi Raikkonen, causing Cigiarini to suffer a broken leg.
The Mexican Grand Prix race stewards reviewed the evidence and handed the down the penalty which stated: "The Stewards reviewed the video evidence of the pit stop of Car 18 (Stroll) at 13:46 and heard from the team representative.
"The Stewards determined that the car was released unsafely in breach of Art. 28.13 a). The team released the car in a manner endangering team personnel.
"The Stewards determined that the entire pit stop sequence was complete and that the mechanic being struck was as a result of a minor mis-coordination at the conclusion of the pit stop sequence.
"Nevertheless, while the contact did not result in injury, the Stewards found that it is the obligation of the team to ensure that all personnel are clear of the car before it is released.
"In determining the penalty, the Stewards reviewed the incident in Bahrain 2018. In that case, the sequence on the left rear tyre was significantly delayed and not at all completed prior to the car being released, resulting in serious injury to a team member."
