Can i purchase a discounted train ticket via the sbb app in advance before my half-fare card commence its validity.
For example, I have purchased a half-fare card which will be valid for 1 month from Feb 2023. Can I buy a half-fare train ticket on 7 Jan 23 in advance for scheduled departure on 21 Feb 23 whilst my 1 month half-fare card will only be valid from feb onwards?
Thanks in advanceJerry