to require or demand information from any person, including those who are successively involved in the transmission of orders or conduct of the operations concerned, as well as their principals, and if necessary, to summon and question any such person with a view to obtain information;
faisnéis a iarraidh nó a éileamh ar aon duine, lena n-áirítear iadsan a bhfuil baint leanúnach acu le tarchur orduithe nó leis na hoibríochtaí lena mbaineann a dhéanamh, chomh maith lena gcuid prionsabal, agus más gá, duine den sórt sin a thoghairm agus a cheistiú d’fhonn faisnéis a fháil;