Ordinance of the Ministry of the Environment amending Decree No. 302 / 1998 Coll., laying down further conditions of professional competence and procedure for its verification, procedure for demonstrating medical fitness, procedure for granting and withdrawing authorisation, list of selected hazardous substances and preparations, the import and export of which is only possible with the consent of the Ministry of Environment, the content of the application for import and export and the manner and details of the keeping of records and notification of dangerous chemicals and preparations