Questão jurídica principal
Whether the arbitral tribunal lacked jurisdiction to order issuance of a VAT invoice.
Decisão extraída
The jurisdiction objection was forfeited because the appellant did not raise it during the arbitration despite having the opportunity to do so.
Fundamentação extraída
A party waives a jurisdiction or procedural objection if it does not raise it timely in arbitration and does not use all reasonable means to cure the defect. The appellant had accepted the tribunal's jurisdiction below.