there it is. Parliamentary Group for Fighting with Transport Divide, talking about "uncertainties around the problems with Impuls vehicles".
https://sejm.gov.pl/Sejm10.nsf/transmisje.xsp?unid=BA6B02C9CB6ABA06C1258A94004154B4#
text coverage in english with happen here, below this post
Newag: the software was modified and it doesn't matter if it was the actual flash with the software, or just its value storage (!). so actually, these trains riding with locks switched from on to off by DS, is an active danger in rail communication, because it was not tested against european regulation with these modifications
@lauren Does that mean they have admitted those locks exist?
@agturcz it's basically "we did not, and also how dare you check it?"
@lauren Must order more popcorn.