Richard Bruton (Dublin North Central, Fine Gael) | Oireachtas source

There are two ways of doing this. Either one warns them and says, "Anything that you say will be taken down in evidence and may be used against you", or one says, "I am compelling you under my rights as an inspector that you must answer the following questions, but in compelling you to do so your answers cannot be used as evidence against you because you cannot be compelled to be a witness against yourself".