Aston Martin have confessed to a minor procedural breach of Formula 1 cost cap rules for the 2024 season. The Silverstone-based team didn't overspend, but an error in the filing process when submitting their self-assessment to the FIA has led to extra scrutiny from the governing body.

Since 2021, teams have been restricted on how much they can splash out on their operations annually, with certain costs like driver salaries and marketing expenditure being excluded. For the 2024 season, the cap was set at roughly £124million.

All teams had to submit their self-assessments for the 2024 season by March 31 this year. However, while the FIA issued compliance certificates to all 10 teams in September for the past two years, we're now nearing the end of October and there's been no such announcement from the governing body.

This delay sparked rumours over potential breaches and it's now come to light that two teams may have flouted the rules.

One of them, Aston Martin, have admitted to a minor procedural breach of the cost cap regulations. The team didn't overspend, but a missing signature from an auditor on a document wasn't provided by the March 31 deadline and so, according to the rules, the FIA considers this to be a breach.

Aston Martin have entered into an Accepted Breach Agreement (ABA) with the FIA, resulting in a minor fine for the team. However, another unnamed team could face a more substantial punishment as they are accused of overspending in 2024 – a claim they deny.

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Red Bull are the only team to date found guilty of overspending in a season, during the first year the cost cap rules were enforced. The Milton Keynes-based team exceeded the cap by 1.6 percent, considered a 'minor' breach under the regulations. They eventually agreed to a sporting penalty with the FIA, paying a £6million fine and forfeiting 10 percent of their wind tunnel testing time over a 12-month period.

This alleged overspend has delayed the FIA's announcement regarding the 2024 cost cap filings, as the governing body prefers to announce all 10 teams' fates simultaneously. The team accused of exceeding the cost cap limit is reportedly contesting the breach they have been accused of.

An FIA spokesperson said: "The FIA's Cost Cap Administration is in the process of finalising the review of the 2024 submissions from teams and power unit manufacturers, the result of which is expected to be communicated shortly.

"The FIA does not comment on individual submissions made by specific teams and/or power unit manufacturers and, as per established practice, the results of the review will be made public once assessment of all submissions are completed and finalised."