The entry into force of the Act on electronic delivery of November 18, 2021 has exceeded the expectations of technology supporters. It has entailed several changes in the permissible methods of communication for participants in various legal procedures, with particular emphasis on electronic communication. The branch of law in which such changes have taken place is, inter alia, administrative proceedings. This includes regulations concerning the written form, formality, and submission of applications to public administrations. The purpose of this article is to ascertain the impact of electronic delivery regulations on contemporary administrative procedure by examining these regulations.