Questão jurídica principal
Whether the federal appeal was sufficiently reasoned under Art. 42 BGG and Art. 106(2) BGG.
Decisão extraída
The appeal did not meet the strict reasoning requirements and failed to show any legal error in the cantonal judgment.
Fundamentação extraída
The appellant did not meaningfully contest the decisive procedural finding that no supporting accounting documents had been filed despite reminders, and it did not show why the assessment would be manifestly incorrect.