In anticipation of the start of the initial population of the Single National Register of the Third Sector, expected in the spring, it is necessary to begin to "familiarize" with the terms and procedures provided for by ministerial decree n. 106/2020. We therefore point out an interesting article by Daniele Erler, of CSV Trentino, who carried out a chronological simulation for Volunteer Organizations and Social Promotion Associations, including the local branches and clubs affiliated to national APS.