This article discusses the activities of the Vetting Division of the Institute of National Remembrance with an example from the Branch Vetting Office, which has been in operation in Poznań since 2007. The author has made an attempt to present the most important official and archiving matters which are related to the ongoing flow of documents within the Vetting Division, the internal structure of the Branch Vetting Office and the cooperation between the Branch Vetting Office and the Central Vetting Office of the Institute. The article addresses the most important electronic applications to support lustration procedures and matters related to thematic catalogues. The analysis performed by the author focused on the flow and the significance of a lustration statement, as well as the consequences of its submission within the process of lustration. Polish lustration procedures were presented against the history of settlements with the communist past in other European countries.