The use of modern information and technologies in public administration is closely related to the progressing informatization process. Its development and adaptation to the requirements of modern times lead to the appearance of certain varieties, processes resulting from it or as a consequence of it. In this case, it is a process of automation corresponding to informatization, visible in the area of personal administrative law thanks to the electronic service provided for in the Act: Law on civil status records, Law on population records and identity cards. This study is devoted to determining the essence of this type of service and referring to the extension of its functionality in the light of the Act of 14 October 2021 amending the Act on identity cards and certain other acts.