Cancellation of membership

The type of contract that you would like to cancel
Your name
The date at which you would like your membership to end. Leave blank for the next possible date.
Your email address
If you would like to cancel the membership for an organisation, please state the name here.
Attention: This requires proof. Please only select this, if there is a valid reason for an extraordinary termination (termination with immediate effect) e.g. moving to a country where the service is no longer available. Please describe the reason for cancellation.
Please do not include confidential personal information (e.g. data about ethnic origin, political opinion, religious or philosophical attitudes, membership in unions, genetical or biometrical information that you can be identified by, data about health or sexual orientation).
When was the first Passivhaus built in Darmstadt-Kranichstein? Hint: The answer is 1991.