And ahead of the curtain-raiser in Australia, the iconic British team have had to modify their car design to ensure it conforms to the regulations.
When Williams made it to testing, they did so with a car that featured some intriguing design features, such as their wing mirrors.
To ensure there were no problems when the cars were scrutineered in Melbourne, ahead of the Australian Grand Prix, Williams opted to modify all of those parts.
READ: Robert Kubica 2.0 – Why injury won’t hold him back in 2019 On the face of it, this might look like another big blow to Williams.
It is also far better that Williams made the changes ahead of Australia, rather than risk of being refused the opportunity to race Down Under.