Tommaso was not a member of the Committee and, as such, he was not supposed to intervene during the meetings, but his personal relations with Jacques Delors and with Carlo Azeglio Ciampi, then Governor of the Banca d’Italia and a member of the Committee, as well as his role as “rapporteur” allowed him to  BIS central bankers’ speeches  5  greatly influence the deliberations.
That was an excellent opportunity to combine his two aspirations: a stable currency but also one that would powerfully contribute to European Union. In the 1989–91 negotiations that led to the Maastricht Treaty, Tommaso fought hard to maintain the momentum towards monetary union which had been established by the Delors Committee.