Office Hours, Telephone and E-Mail Contact

Personal consultation hour

At present, personal consultation hours only take place with good reason and a previously agreed personal appointment.

If you want to appear for someone else in the consultation hour, please bring an informal power of attorney including a copy of the exhibitor's identity card with you. This also applies to the collection of certificate documents, the submission of applications etc. for others! You will find a sample power of attorney in the download area.

Telephone consultation hour

The telephone consultation serves the clarification of general inquiries. For data protection reasons, we are not permitted to disclose any personal information to you here due to the lack of identification possibilities. You can reach us at the following times at the telephone number +49 251/83-37915:

  • Mon. to Thu.: 10:00 - 12:00 h & 13:30 - 15:00 h
  • Fr.: 10:00 - 12:00 h



It is also possible to contact us via e-mail. Please only use your ZIV e-mail ( here. Applications to the Audit Committee can also be submitted to us by e-mail. In this case, please do not forget to sign in your own hand. You can reach the Examination Office at :