Photographs in Thursday’s papers show Arnesen on board Roman Abramovich’s yacht but the club say the meeting was “purely a social occasion”.
“Having seen the pictures we’ve contacted Chelsea and set them a deadline,” said a Spurs spokeswoman.
“If we don’t reach agreement by noon on Friday, we’ll make a formal complaint.”
Spurs are said to want £8m in compensation, and would accept a player as part of a deal, notably Wayne Bridge.
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