- Railway Transport Safety Act (Official Gazette of the Republic of Slovenia [Uradni list RS], No 30/18 and 54/21).
- Rules on the maintenance of rolling stock except freight wagons (Official Gazette of the Republic of Slovenia [Uradni list RS], No 43/19).
- Commission Implementing Regulation (EU) 2019/779 of 16 May 2019 laying down detailed provisions on a system of certification of entities in charge of maintenance of vehicles pursuant to Directive (EU) 2016/798 of the European Parliament and of the Council and repealing Commission Regulation (EU) No 445/2011 (OJ L 139I, 27.5.2019, p. 360).