In March, Deltour was handed down a six-month suspended jail sentence and a fine of €1,500. Halet has to face a fine of €1,000.
According to an article on Paperjam, Deltour has been ordered to make a symbolic payment of €1 to PwC.
The LuxLeaks scandal first hit the headlines in 2014, when documents outlining details of tax breaks given to large international firms were leaked causing a major storm.
The tax breaks were made under the premiership of Jean-Claude Juncker, now president of the European Commission, who has faced heavy questioning on the issue.