The International Open Data Charter is an international initiative that promotes cooperation, adoption and implementation of common principles, standards and best practices for the release and use of open data worldwide. Joining the Charter shows the readiness of territorial communities to develop their own openness and transparency, which will contribute to increasing the level of trust of citizens, businesses and, especially, international partners. At the briefing, there will be a presentation of the plan of measures for the development of the field of open data in the territorial communities of the Lviv Region.