Newcastle United's pursuit of Tottenham Hotspur midfielder Lucas Bergvall is poised to intensify this week, with the summer transfer window closing on September 1.

Bergvall, a highly rated Swedish international, emerged as a Newcastle target earlier in the window after falling down the pecking order at Tottenham Hotspur. Despite the interest being known for weeks, the Magpies were slow to formalise a bid — and a specific piece of UEFA financial regulation appears to explain the delay.

The 45-day rule behind the hold-up

On July 6, Sandro Tonali completed a move to Tottenham Hotspur in a deal reported at £92.5 million. A regulation known as the 45-day rule — introduced by the Premier League's financial regulators — states that if two clubs conduct transfers between each other within a 45-day window, those deals are classified as a single swap transaction for accounting purposes.

The rule was designed to close a loophole that clubs had exploited through reciprocal transfers, arrangements that artificially boosted short-term profits and helped clubs stay within Profitability and Sustainability Rules (PSR).

Newcastle United fans will remember a prominent example of this from the summer of 2024. Ahead of the June 30 accounting deadline, Newcastle sold academy product Elliot Anderson to Nottingham Forest for £35 million, while Nottingham Forest simultaneously sold goalkeeper Odysseas Vlachodimos to Newcastle for £20 million. Both clubs recorded immediate PSR benefits from those technically separate deals.

Why the timing matters so much

Had Newcastle moved to sign Bergvall from Tottenham Hotspur within the same 45-day window triggered by Tonali's departure, the club would have been forced to record only the net difference between the two transfers — effectively erasing the accounting value of Tonali's £92.5 million exit. That 45-day window closed on August 20.

With that date now passed, Newcastle are free to pursue Bergvall as a fully independent transaction. This matters greatly given the financial landscape shifting from the 2026/27 season onwards, when PSR will be replaced by the Squad Cost Ratio (SCR) framework.

Under SCR, a club's combined spending on transfer amortisation, player wages, and agent fees cannot exceed 85 percent of total football-related revenue. The full profit booked from Tonali's departure gives Newcastle's hierarchy crucial headroom under that incoming framework — and maximum flexibility for the transitional years ahead.