Motherwell have revealed they will consider issuing a winding-up order against Cardiff over an unpaid debt following the signing of Craig Bellamy.
The SPL club have threatened the Championship side with the action because they claim they are still owed money from the transfer of defender Paul Quinn, who switched to the Bluebirds in June last year.
With the Welsh outfit previously battling a £1.9million unpaid bill with Her Majesty's Revenue and Customs, they failed to pay £175,000 of the £300,000 fee agreed by the two clubs.
Cardiff did not pay Well £100,000 in January for the right-back and also defaulted on a further £75,000 this summer. The Fir Park outfit now feel aggrieved that despite the outstanding amount owed to them, Cardiff have still found the cash to pay Bellamy's wages - with the striker moving to the club in a loan deal on Tuesday.
Motherwell issued a writ against Cardiff on Friday in Hamilton Sheriff Court, but they revealed that City were not in attendance.
Chief executive Leeann Dempster said in a statement on Well's official website: "It is critical that clubs work constructively with each other to ensure we can manage a very difficult financial climate for the game. We have given Cardiff every chance to do the right thing.
"The board now believe that Cardiff's position is untenable given their activity in the transfer market acquiring Jason Koumas, Tom Heaton, Danny Drinkwater, Seyi Olofinjana, Martin John and today, the loan signing of Manchester City's Craig Bellamy.
"Given all these circumstances and with legal and moral weight behind us, Motherwell FC have no option but to immediately pursue all legal routes to ensure this significant sum is paid to us as quickly as possible.
"These may include issuing a winding up order, arresting assets or physically sending bailiffs to their ground on match day to take possession of cash. Every option will be fully considered and implemented as soon as possible.
"We want Cardiff fans to know that we appreciate the concerns this will give them. We can only urge them to look to how they would feel in our position and urge them to put pressure on their own board to ensure the excellent long-term reputation of their club is not diminished by the leadership of one board.
"We have a job to promote and protect the interests of our own employees, fans and shareholders and we will. We would also suggest to the Championship and the English FA that they look with great care at the conduct of Cardiff in handling this matter.
"Even at this very late stage, I would urge Gethin Jenkins of Cardiff to pay this money plus costs and interest by return in order to save his club acute embarrassment and the football community in general unwarranted bad publicity."