To demonstrate compliance with Regulation (EU) No 2018/1725, controllers should maintain records of processing activities under their responsibility, and processors should maintain records of categories of processing activities under their responsibility.Unless it is not appropriate (taking into account the size of the EUinstitution or body), EU institutions and bodies shall keep their records of processing activities in a central register. They shall also make the register publicly accessible (according to Article 31 Regulation (EU) No. 2018/1725).