Usually the we have the following in our conditions. This may vary from venues we book for the events.
If a cancellation is made after the conclusion of a contract, the client shall be invoiced for costs accrued up to the date of cancellation (including deposits for the service providers, personal expenses according to our price list, invoices, costs and claims by third service providers etc.)
Moreover, the agreed agency fee shall be invoiced in accordance with the following cancellation provisions:
From 60 to 31 days before the event: 25% of the total amount
From 30 to 21 days before the event: 50% of the total amount
From 20 to 8 days before the event: 75% of the total amount
From 7 days before the event: 100% of the total amount.