Pádraig Mac Lochlainn (Donegal, Sinn Fein) | Oireachtas source

I am not asking the witnesses if the authority has done so but if it was felt to be necessary, can the authority do joint operations with the Garda and Revenue Commissioners in respect of phone surveillance? Could it carry out covert surveillance? Is that in the authority's power when done jointly with An Garda Síochána and the Revenue Commissioners?