As a part of this, public authorities throughout the EU must also be jointly liable for ensuring that no contracts at all are awarded to companies whose quotations can quite clearly be traced back to the existence of undeclared work.
Dette skal også omfatte solidarisk ansvar fra det offentliges side i hele EU, således at der slet ikke kan gives ordrer til virksomheder, hvis pristilbud helt åbenlyst er baseret på sort arbejde.