The ministerial decree was published in the Official Gazette on Monday and it will enter into force in stages, the toll charges for the first paid section becoming effective after April 2015.
It is possible that Greece will miss the Eurogroup meeting on 8 December, at which it hoped to reach an agreement on the release of the last tranche of the bailout.
The Bulgarian nationals had made five purchases of goods and one attempted to make purchases using counterfeit banknotes of 50 euro in shops and companies in Komotini, Alexandroupoli and Xanthi.
Another impressive mosaic, but this time on the floor of a Roman bath, has been discovered by Greek archaeologists during the excavations near the city of Didymoteicho in northeastern Greece, which was called Plotinopolis in Roman times.