When former solicitor Michael Lynn was extradited from Brazil to stand trial on multimillion euro theft charges, certain guarantees were given by the Irish government in exchange for his surrender. By way of a diplomatic note, the Irish authorities assured the Brazilian state that if the 50-year-old ex-lawyer was convicted and sentenced, he would get credit in respect of the time he had already spent in custody in Brazil awaiting his handover to Ireland. As there is no extradition treaty between Ireland and Brazil, the Department of Foreign Affairs had to negotiate an ad hoc agreement with the South American…