Hello @Ros19
I recommend that you contact the Revenue Service Center. For this purpose the following information:
SBB Service Center Einnahmen - Zurich
SBB AG
Personenverkehr
Zentrale Einnahmensicherung
Postfach
8048 Zurich
0848 00 11 33 (Mon - Fri 8.00 - 17.00, local rate) or fahrausweiskontrolle@sbb.ch
+41 51 225 90 03 (only for customers from abroad)
I wish you a pleasant day.
Greetings, VlaznimA.