Questione giuridica chiave
Whether the constitutional complaint was admissible despite non-payment of the advance costs within the final deadline.
Decisione estratta
No entry could be made on the constitutional complaint because the appellant did not pay the advance costs or provide the required proof of timely payment within the non-extendable deadline.
Motivazione estratta
After a warning under Art. 62(3) BGG, the appellant neither paid the CHF 1,500 advance in cash nor at a post office for the benefit of the Federal Court account, and also failed to submit the required debit confirmation within the prescribed time.