World governing body FIFA on Monday ordered that Cardiff should pay the first instalment of the fee.
Sala was reportedly exposed to harmful levels of carbon monoxide before he was killed in a plane crash.
Neil Warnock is determined to get the financial promises he believes are essential for Cardiff next season.
Cardiff have been relegated back to the Championship after losing 3-2 to Crystal Palace.
Emiliano Sala's father has died, months after the footballer was killed in a plane crash in the English Channel.
Cardiff manager Neil Warnock was unhappy with the refereeing decisions his side got…
Wijanldum and Milner got on the scoresheet as Jurgen Klopp's side moved back into first place...
Neil Warnock acknowledges Liverpool could get a "battering" at home to title-chasing Liverpool.
The gap is down to two points after Cardiff pulled off an incredible win at the AMEX.
Cardiff's hopes of avoiding Premier League relegation also appear fanciful with a five-point gap to safety.
Cardiff City boss Neil Warnock thinks Chris Sutton thrives off the "reaction" he gets from his comments.
Neil Warnock was livid as he gives his reaction to Cardiff City's 2-1 loss to Chelsea on Sunday.
Neil Warnock was seething on the touchline as his Cardiff side lost 2-1 to Chelsea.
Reports claim the pilot in the plane crash that killed Emiliano Sala was not qualified to fly at night.
Goals from Junior Hoilett and Victor Camarasa gave Cardiff City a 2-0 win over West Ham.
Neil Warnock admits Cardiff's Premier League future looks gloomy after a demoralising defeat at Wolves.
Goals from Diogo Jota and Raul Jimenez gave Wolves a comfortable 2-0 victory over Cardiff City.
Nantes have lodged a complaint with FIFA over Cardiff's refusal to pay the first instalment of the £15m fee.
Gylfi Sigurdsson scored a brace to give Everton their first win in four matches, with Dominic Calvert-Lewin completing the scoring.
An investigation into the plane crash which killed Emiliano Sala will focus on the validity of the pilot's licence.
Seb Stafford-Bloor went to Cardiff and found a city still grieving for a man they did not know...
Watford denied Cardiff their third straight Premier League win following a 5-1 demolition jobs in South Wales.
The Saints thought they'd snatched an injury time point, but a Cardiff winner put them in the relegation zone
Emiliano Sala's body was formally identified after being recovered from wreckage in the English Channel.
Nantes have reportedly demanded payment from Cardiff for the £15million transfer of Emiliano Sala.
A body seen in the wreckage of the plane carrying footballer Emiliano Sala has been "successfully recovered".
Ole Gunnar Solskjaer had a spell at Cardiff in 2014 in which he lost 12 of his 18 Premier League matches.
This game was meant to be a welcome, not a memorial. Reflections on an emotional day in Cardiff.
Bobby Reid struck in either half to give the hosts a shock 2-0 victory at the Cardiff City Stadium
Neil Warnock says some players did not want to join Cardiff because of the disappearance of Emiliano Sala.
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