Kernrechtsfrage
Whether the restaurant accounting had probative value and could bind the tax authorities.
Extrahierter Entscheid
The accounting lacked probative value because the cash book was not properly kept and the results were manifestly inconsistent with experience in the sector.
Extrahierte Begründung
A properly kept accounting is binding only if its factual accuracy is ensured; here the deficiencies in the cash records and abnormal margins justified disregarding the books.