2. Quotation, acceptance / order and scope of delivery
1. Delivery contracts, orders and acceptance, call-off orders and their changes and amendments have to be done in writing. Our orders, call-off orders and their changes and amendments may also be done by way of remote data transmission, machine-readable media or electronically.
We are basically bound by our order for a period of four weeks. In case of order made electronically we shall be bound by our order for a period of one week. After the end of this period we shall have the right to cancel our order. Any claims of the Supplier based on an effective cancellation shall be excluded.
2. In case of acceptance the Supplier has to confirm the order in writing, stating the item number of the order and the item description of the order. If we order electronically, the Supplier may also confirm the order electronically. Call-off orders become binding not later than in one week, unless the Supplier objects in writing or electronically within this period of time.
3. Any illustrations, drawings, calculations and other documents as well as the copyright thereto remain our property; they may not be made available to third parties without our explicit consent. They shall only be used to check our order docu¬ments or for production based on our order, and after the order has been processed or in case of non-conclusion of the agreement they have to be returned to us without further request. They have to be kept secret from third parties. The provisions of Article 11 of these General Terms and Conditions of Purchase shall particularly additionally apply.
4. At our request the Supplier shall be obligated to make changes in the construction and design of the delivery item even after the conclusion of the contract, if this can be reasonably expected from him. Any effects, in particular as regards extra costs or reduced costs and delivery terms, have to be agreed adequately by mutual consent.
5. The Supplier may only place sub-orders with our consent.
6. Goods or their components that are not stated in the order but are indispensible for a safe and efficient operation of the product, shall be considered part of the delivery item and shall be considered owed by the Supplier together with the delivery item.
7. If the delivery item contains software, we shall obtain the right to use the software company-wide, to copy it without restrictions and to leave it to third parties worldwide together with the delivery item for or without a consideration. We shall be entitled to decompile the software for maintenance or further development purposes.