The HRT Formula 1 team looks set to officially close down after failing to find a buyer before the FIA's payment deadline for 2013 entries on Friday. The squad was absent from the 22-car entry list published by the governing body on Saturday.
HRT had been put up for sale by owner Thesan Capital just before the United States Grand Prix.
Attempts were made to find a buyer before the entry deadline. AUTOSPORT understands that Chinese company Chery Automobile among those involved in talks to save HRT.
Sources indicate that the team is now working to pay its creditors and that the plan is for the team to shut down without unpaid debts.
Team representatives declined to comment on the current situation.
HRT was originally launched as Campos Meta by former F1 driver Adrian Campos when the FIA invited new entries for the 2010 season.
But its first reconstitution happened before it even made the grid, as former Jordan/Midland boss Colin Kolles was parachuted in to lead a last-minute rescue when the project hit funding problems.
Kolles saw the renamed Hispania team through to the middle of the 2011 season, when it was bought by Thesan.
It was relocated to a Madrid base in an attempt to revive the Spanish team image that Campos had originally planned, with Luis Perez-Sala installed as team boss.
Designing its own car for the first time after adapting a Dallara-produced chassis in its early years, HRT hinted at progress in 2012 as it briefly closed on Marussia.
But it drifted away at the tail of the field by the end of the year, with its funding problems clearly apparent as tales of parts shortages dominated what turned out to be its final races.
HRT had beaten Marussia to 11th spot in the constructors' championship in its first two years, before falling to last in 2012.
It is the first F1 team to close down since Super Aguri's mid-2008 exit.

Ferrari president Luca di Montezemolo says he has "run out" of patience with Formula One's in-season testing ban after launching a direct attack on the sport's CEO Bernie Ecclestone.
In-season testing started to be cut back in 2008 and 2009 in order to reduce costs, and with the exception of young driver tests, the only in-season test since the '08 season took place this year at Mugello. That test has been scrapped for 2013 and pre-season testing will remain at just three four-day tests before the season opener in Australia, reducing the overall amount of testing once more.
In 2005, at the height of F1's testing mileage, Ferrari took part in 155 test days during the year and Montezemolo said the shift to very limited testing had stretched his company's patience.
"It cannot be that in this sport you can't test," he said. "We've been saying this for a while and we will repeat it in the appropriate places so for the moment I don't want to add anything else.
"But our patience has run out so someone needs to think about whether they want Formula One still to have companies that invest and consider it the most advanced research bench for its own cars - as Ferrari has always done since 1950. We are constructors, not sponsors: I'm no longer happy that we can't do testing on tarmac and that you can't give any chance for young drivers to emerge."
Montezemolo went on to criticise Ecclestone - as reported on Sunday - making reference to the F1 CEO's recent comments that Ferrari's decision to question the legality of an overtaking manoeuvre by Sebastian Vettel in Brazil was "a joke".
"Since some people have used the expression "It's a joke" in recent days, I would like to say that this [the lack of testing] is the real "joke". Yes, I'm referring to one of Ecclestone's phrases: my father always taught me that you have to have respect your elders, above all when they reach the point that they can no longer control their words. So I will stop there. Certainly, old age is often incompatible with certain roles and responsibilities."

There have also been several tweaks to the 2014 regulations. The requirement for cars to be driven exclusively under electric power in the pit lane has been postponed until 2017

Sky Sports has been awarded the "Best TV Broadcast Award for Outstanding Coverage" following the debut season of Sky Sports F1HD.
The award was presented by Bernie Ecclestone at the 2012 FIA Prize Giving Ceremony in Istanbul on Friday night, where the FIA World Championship presentations were also made. ~~~~~~~~~~~


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Sky Sports F1 HD will continue throughout the winter with regular F1 programming as well as coverage of the build-up to the new season including all three February tests.
Sky Sports News HD, skysports.com and @skysportsf1 will also bring in-depth coverage and glimpse of what's to come as the grid prepares for the new season behind closed garage doors.