F1 tweaked the sprint format it uses at six races in 2023 by moving qualifying for the main grand prix to Friday afternoon, followed by sprint qualifying and the race on Saturday ahead of Sunday's main grand prix.
Cars are placed under parc ferme rules after Friday morning's single free practice session, which means teams are locked into their car setups and subject to strict limits on the items they can change for the remainder of the weekend.
At last weekend's United States Grand Prix both Ferrari's Charles Leclerc and Mercedes' Lewis Hamilton were disqualified from the race due to excessive floor plank wear, with both teams likely caught out by the sprint format and its extended parc ferme rules.
Teams who feel forced to change their set-ups are effectively thrown out of qualifying and forced to start from the pitlane.
Red Bull team boss Horner called it a "joke" that teams are locked into their set-ups after just one hour of running on Friday.
"For me, parc ferme is a bit of a joke. You have one session to set your car up. And then the engineers may as well go home at that point," Horner said.
"So, that needs looking at and that I'm sure was a contributing factor to the ride height issues of the teams that fell foul of the regulations.
Source: Autosport