Many institutions are involved in carrying out sanctions. The Public Prosecution is legally responsible, but the prison system executes prison sanctions, the probation service does the community sanctions, and the Centraal Justitieel Incasso Bureau collects fines. Most clients in the penal system receive several sanctions to be executed at the same time and often one organization is frustrated by another. Exchange of information between institutions is technically feasible, but will work only if all participants realize that this exchange improves the quality of their work. To date, no one uses available information about how many and what kind of sanctions remain to be executed for an imprisoned criminal and his history in this respect, e.g., did he pay his fines, and did he satisfactorily perform his community service? Information of this kind is available at the Centraal Justitieel Incasso Bureau, which has developed into a central administrative back office for the penal system. Notes, references