Registered on YB website.
Email received today (translation)
Dear GD,
After more than 20,000 packages have been sold to YB members, the public sale of three-packs for the UEFA Europa League has now started!
Since this morning, three-packs for the YB home games in the UEFA Europa League can only be purchased from the online subscription shop. A maximum of 6 packages per person may be obtained. These attractive Europa League matches await you at the Stade de Suisse:
October 3, 2019, 6:55 pm, YB - Glasgow Rangers
October 24, 2019, 18:55, YB - Feyenoord Rotterdam
November 28, 2019, 18:55, YB - FC Porto
We look forward to your support!
Your BSC Young Boys
Cannot buy unless you have a Swiss Bank Account!
Their ground capacity 32k as far as I know.