Hello, we’re planning to travel north from Stresa to Switzerland the first week of Sep (a few days prior to Sep 8), and want to clarify and confirm that Domodossola to Brig will be operating. EC and/or R trains north. So much written and posted on this route this summer…I understand that there are route closures between Milan-Dom, due to the Arona-Stresa rail construction June 9-Sep 8, with bus replacements to Domodossola. Also, Domodossola to Iselle will be closed for maintenance from 9-30 August 2024 (not an issue in Sep). Can we purchase the International ticket online from SBB, the downline carrier? Rather than TrenItalia, the boarding rail carrier in Domodossola? Will there be an electronic ticket issued by SBB on international ticket as a.pdf with QR code to show onboard in Dom? The reason we ask, we had problems last year, buying from OBB, the downline rail company, rather than TrenItalia the departure country in eastern Italy, and the ticket was not issued electronically outside of country (to show on phone or print.) Thanks in advance.