Germany's public administrations must go digital by law till 2022. The German Online Access Act
(our translation for “Onlinezugangsgesetz”, OZG) forces most services offered by public
administration on federal, federal state and municipal level to become digitized. For most of these
services still being paper-based and Germany not being one of the leaders in e- government
according to many sources, the question of user acceptance arises. For answering the question
whether the approach used in the digitalization labs leads to the development of digital public
services that are accepted by future users, we conducted a heuristic evaluation of a prototype that
was developed within the implementation of the OZG. The paper describes the setting, the test
undertaken and the outcome and concludes with an estimate, whether the huge paradigm change
towards the development of digital public services that are accepted by future users will be successful
or not.