Furthermore, those Member States should take and enforce appropriate measures and penalties to prevent fraud and other unlawful practises that involve Union certificates of qualification and service record books on those non-linked inland waterways.
Ina theannta sin, ba cheart do na Ballstáit sin bearta iomchuí agus pionóis iomchuí a ghlacadh agus a chur i bhfeidhm chun calaois agus cleachtais neamhdhleathacha eile a chosc i dtaca le teastais cháilíochta de chuid an Aontais agus i dtaca le leabhair thaifid seirbhíse ar na huiscebhealaí intíre neamhnasctha sin.