The draft decree reflects changes in legislation in the field of radiation protection and security of radionuclide sources, in particular changes made by amendment No 83/2025. These changes primarily consist of: - reflecting legal provisions that have not been accurately implemented, or also reflecting newly amended legal provisions in the amendment to the Atomic Energy Act; - adjustment of the calculation of derived limits for radiation workers; - individual adjustments in the categorisation of sources of ionizing radiation; - adjustment of the regulation of acceptance tests, long-term stability tests and operational stability tests; - individual adjustments of the rules of record-keeping of sources of ionising radiation by the licence holder and the registrant; - in connection with statutory authorisation, the stipulation of an excessive number of workplaces where a supervising entity carries out continual supervision; - changes to the entry of persons into controlled and monitored zones; - individual adjustments to the radiation protection programme and other documentation for permitted activity and documentation for registered activity; - changes to the job description of personnel overseeing the radiation protection of the registrant; - changes to the regulation of personal monitoring of radiation workers and the vicinity of the workplace; - regulation of requirements for a source of ionising radiation used in medical exposure, a workplace with a source of ionising…