1. The customer can make payment in advance or via the payment services offered.

2. Payment of the purchase price is due immediately upon conclusion of the contract. If the due date for payment is specified according to the calendar, the customer is in default upon missing the deadline. In this case, the customer must pay the supplier default interest at a rate of 5 percentage points above the base interest rate per annum.

3. The customer's obligation to pay default interest does not preclude the provider from claiming further damages for default.