Directive Approval of rolling stock

Approval of rolling stock (PDF, 5 MB, 01.01.2022)Directive on the basis of the Articles 6a, 6b, 7, 8 and 15a-z of the Ordinance on the Construction and Operation of Railways (Railway Ordinance, RailO)

German - English version follows

https://www.bav.admin.ch/content/bav/en/home/modes-of-transport/railways/informations-for-professionals/approval-of-rolling-stock/rl_approval_of_rolling_stock.html