Mr Sarkozy filed an appeal to quash the conviction but a French appeal court upheld the decision of the lower court in a ruling in February 2024.
Mr Sarkozy faces charges of embezzlement of public funds, bribery and illegal campaign financing.
Former French president Nicolas Sarkozy is due back in court to appeal a one-year sentence handed to him in 2021 for illegal campaign financing.
Former French President Nicolas Sarkozy has been sentenced to one-year house arrest over illegal campaign financing, a court in Paris ruled on Thursday.
He was accused of trying to learn investigative secrets regarding a separate investigation concerning campaign financing.
