The General Master Plan (usually indicated with the acronym PRG) is the town planning scheme adopted by the Municipality to regulate the use and transformation of its territory and related resources. In Italy, all Municipalities are obliged to approve a PRG, prompted by the Regional authority which lays down the procedures. The current PRG of Torino was developed in 1995 by Vittorio Gregotti and Augusto Cagnardi, together with the technical offices of the Municipality. In May 2017, Città di Torino started the revision of the existing PRG with the goal of simplifying the procedures and meet the needs of urban transformation requested by who lives, works, studies and invests in the city. On 20th July 2020 the City Council approved the PRG Preliminary Technical Proposal and started a series of analyses and debates with the citizens and local stakeholders. Among the main novelties introduced by the proposal: soil consumption “lower or equal to zero”, for the promotion of urban transformation based on the reuse of dismissed areas; legislative simplification with the reduction from 23 to 11 in the number of regulations for a greater market flexibility, and from 11 to 5 in residential and mixed residential regulations; special focus on temporary uses (according to regional law 13/2020) for the projects regarding the decomissioning of buildings waiting for new uses not conceivable in the short-term, without changing their intended use; introduction of a new urban zoning, the Agro-ecological zone (ZAE).