The prosecution in French Polynesia wants the head of a public works agency, Bruno Marty, jailed for one year for misspending public funds.
Mr Marty was today tried in the court of appeal - one year after he had been acquitted of charges of spending more than $US20,000 for personal matters by using the agency's credit card.
The prosecution appealed the decision because it disputed the court's interpretation of the spending.
The appeal court ruling is expected on 8 March.
Three years ago, Mr Marty was given the agency position by the then president, Gaston Flosse, after suddenly resigning as transport minister following a car crash.
He was found to have been almost five times over the legal alcohol limit while being in charge of road safety.
It also became public that he had three drink drive convictions and was supposed to have surrendered the licence months earlier.
He was given a suspended six month jail sentence.