Time Model for Managing the Dynamic of Normative System

An important need is arising in the eGovernment era: to produce updated law corpora in order to improve democracy and justice in the European new enlarged system. This article intends to propose a formal model for managing the dynamic of the norms in the time with twofold objectives: provide a set of rule for designing a legal information system able to produce in automatic way the law in force; guarantee the main principles of the theory of law such as coherence of the normative system, certness of the legislative order, knowness of the law in force