Initially, Tottenham had an option to buy Tel for a certain amount, but they have successfully negotiated a lower fee of £30 million, along with the £8.5 million loan fee.
Discussions between Tottenham and Bayern Munich are reportedly at an advanced stage, with the two clubs working towards a mutually beneficial agreement.
Once the deal is finalized, Mathys Tel will become the first signing of the new era under Thomas Frank, who took over as Tottenham's head coach after Ange Postecoglou's departure.