The FIA has approved sweeping changes to Formula 1’s 2027 budget cap regulations, introducing strict barriers between F1 teams and other activities within their parent companies. From separate offices and computer systems to mandatory three-month gardening leave for certain engineers, the new restrictions could have significant consequences for major manufacturers such as Ferrari, Mercedes, Red Bull and Aston Martin.
From 2027, the engineer who divides their working day between Formula 1 and another company project will effectively become a thing of the past. Someone who previously worked on a wider group project in the morning and helped the F1 team in the afternoon will have to choose which operation to join. Until now, only the declared proportion of their time spent on racing activities counted towards the budget cap, and that allocation has been the subject of suspicion for years. The FIA World Motor Sport Council has now approved tighter regulations introducing separate physical areas, access badges and computer systems.
FIA’s 2027 F1 budget cap rules introduce strict factory separation
Section F6 of the 2027 operational regulations introduces five new articles dealing with physical and IT segregation between Formula 1 operations and the rest of a company’s activities. In practical terms, factories will be divided into distinct areas, with one reserved for the F1 team and another for personnel working on other projects. Access will only be permitted through the appropriate badge, with entry records retained for three years and made available to FIA inspectors. Shared offices will no longer be permitted.
Expensive technical facilities can still be shared, but only under arrangements resembling separate working shifts. Wind tunnels, simulators and dynamic test benches will become restricted shared areas in which the two groups cannot operate simultaneously and no information can pass between them. Canteens, corridors, wellbeing areas and car parks can remain accessible to everyone, provided employees do not use them to carry out work on their laptops. Computer systems, however, must remain entirely separate.
The restrictions also govern the transfer of technical knowledge. Formula 1 teams will be permitted to share know-how with other company divisions only in limited circumstances, while information flowing in the opposite direction will be prohibited. The regulations also address potential workarounds involving messages, external storage devices, creative contractual arrangements or artificial staff transfers, preventing such methods from being used to circumvent the restrictions.
In effect, knowledge developed by the F1 team may still benefit the wider organisation within the permitted framework, but external projects will not be allowed to supply the racing operation with ideas or technology whose development costs have already been covered elsewhere.
Three-month gardening leave becomes mandatory for engineers entering F1
The personnel restrictions are among the most controversial elements of the new FIA framework. An employee transferring from a non-F1 project into a Formula 1 team must complete a three-month gardening leave period. During those three months, the individual cannot work for the racing team or the company’s other operations and cannot access restricted systems.
Once that period has ended, the employee must sign a new contract requiring at least 12 months of exclusive work for the Formula 1 team.
Those moving in the opposite direction face similarly strict requirements. They must receive a new contract and updated IT permissions, with a new email account activated on the evening before their transfer. They must also commit to spending at least 12 months outside Formula 1.
Their previous access badge will cease functioning, while their salary will continue to count towards the Formula 1 budget cap for the relevant year, even after they have moved to another company division.
For the FIA, the objective is to make compliance easier to establish and monitor. Previously, regulators had to assess declared percentages of an engineer’s working time, with one proportion attributed to racing and the remainder assigned elsewhere. Those declarations then needed to be checked.
The new approach is effectively binary: an employee either belongs to the Formula 1 operation or does not. An electronic access record is considerably easier to verify than the exact number of hours an individual has spent contributing to a particular technical project. The governing body has therefore chosen physical and digital separation rather than an increasingly complicated system of financial allocations.
Why the FIA is tightening Formula 1 cost cap regulations now
The issue of technology and personnel being shared across different company divisions is not new. In 2023, technical directive TD45 established that technology developed by an external division and subsequently used by a Formula 1 team must be assessed and included in the spending cap.
Suspicions surrounding the use of personnel employed outside F1 have circulated for years, although no wrongdoing of this kind has been established. Several teams opposed the latest tightening of the rules, but the FIA proceeded with the changes.
What has changed is the enforcement method. The Formula 1 budget cap was set at $215 million for 2026, with compliance traditionally assessed through financial accounts. Those accounts, however, do not necessarily reveal which engineer was responsible for developing a particular component or idea.
By imposing stricter organisational separation, the FIA is shifting part of its oversight from accounting records to physical access controls and digital audit trails. The decision comes while the budget cap remains a contentious subject between the championship’s largest operations and smaller competitors.
The fundamental difference concerns prevention rather than retrospective enforcement. Previously, investigators would need to establish after the event that a cost had been concealed or incorrectly allocated. The new restrictions are designed to prevent such arrangements from arising in the first place.
Why Ferrari and other major manufacturers could face higher costs
The greatest financial burden could fall on organisations with substantial technology divisions operating alongside their Formula 1 teams. Examples include Red Bull Advanced Technologies, Mercedes Applied Science, Aston Martin Performance Technologies and Ferrari’s Hypersail project.
For these organisations, employing specialists whose expertise could be shared across different programmes represented a potential saving. Under the revised framework, an engineer will have to be assigned to one operation, meaning another division may need to recruit additional personnel or outsource the relevant work. The resulting costs could therefore increase.
Ferrari provides a particularly interesting example because the Maranello manufacturer operates several technically demanding projects beyond its Formula 1 programme. Its activities include endurance racing and the ambitious Hypersail initiative, which applies high-performance engineering principles to offshore sailing.
The team’s previous engineering reorganisation involving Formula 1, endurance racing and Hypersail illustrates the type of internal personnel movement that could become more complicated under the 2027 requirements.
Although the new regulations are intended to strengthen financial fairness within Formula 1, they could also reduce the industrial benefits that encourage major manufacturers to operate several technological programmes under one corporate structure.
James Vowles questions whether the budget cap helps smaller F1 teams
There is also a political dimension to the changes. At the beginning of October, Williams team principal James Vowles described the budget cap as a potential trap for midfield teams.
James Vowles pointed out that the championship’s leading four teams had collected 83% of the available points over the previous five years, highlighting the considerable competitive advantage retained by the largest operations despite financial restrictions.
The new FIA measures will not eliminate that historical performance gap. However, they will remove certain organisational synergies available to major manufacturers but not to teams such as Williams, whose operations are more closely concentrated on Formula 1 itself.
In that respect, the restrictions could reduce one structural advantage enjoyed by organisations with broader engineering and technology divisions, even if they do not directly resolve the competitive imbalance between the front of the grid and the midfield.
Could Formula 1 teams find new ways around the FIA restrictions?
Christian Horner previously used the image of a balloon when discussing Formula 1’s spending restrictions. Squeeze it in one place, and the air moves somewhere else.
The FIA has now applied pressure to shared corporate structures, but there remains a risk that organisations seeking greater flexibility could move work outside their companies instead.
The role of external suppliers is not yet entirely clear from the available summaries of the regulations. How the FIA treats outsourcing and the relationships between Formula 1 teams and independent contractors will therefore be an important issue to monitor over the coming months.
The new framework presents two different perspectives. From a sporting standpoint, stronger controls are difficult to oppose in principle because a financial spending limit can only be effective if the relevant costs are traceable and correctly allocated.
From an industrial perspective, however, the restrictions represent a considerable intervention in how major manufacturers organise their businesses. They require companies to surrender important technical and personnel synergies that have traditionally been among the attractions of participating in Formula 1.
Teams will now have to review their organisational structures, employment contracts, access permissions and technical arrangements before the beginning of the 2027 season. The coming year will reveal whether the FIA’s stricter separation requirements successfully close the potential loopholes or simply encourage new approaches to managing engineering resources outside the championship’s financial limits.
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