Bitte beachten Sie: Aufgrund der Auswirkungen des IT-Sicherheitsvorfalls vom 06.07.2024 sind alle auf endenden E-Mail-Adressen temporär nicht erreichbar.
Hier gelangen Sie zu den Notfall-Kontaktmöglichkeiten.

Please note: Due to the recent IT security incident on July 6, 2024, all email addresses ending in are temporarily unavailable.
Click here to see the current emergency contact options.


Abdullah Kotan

Adjunct lecturer for Tax Law and Tax Aspects of Contract Design

Office hours

Lecture period: 
by appointment via email

Non-lecture period:
by appointment via email


Tax Code (procedural law)
Income Tax Law
Case 20 Income Tax Law
Case 21 Income Tax Law
Solution case 20 Income Tax Law
Solution case 21 Income Tax Law

The files are password protected. You can obtain the password from the adjunct lecturer by submitting your name and program via email

Diplom Business Law Abdullah KotanID: 5977