By 14 September 2020 , and every 5 years thereafter, the Commission shall submit to the European Parliament and to the Council a report on the application of this Directive, including a fitness check of its provisions, accompanied, if appropriate, by legislative proposals concerning, in particular, the categories of firearms in Annex I and issues related to the implementation of the system for the European firearms pass, to marking and the impacts of new technologies such as 3D printing, the use of QR code and the use of radio-frequency identification (RFID).]