circum- stances render delivery impossible for VOSS, VOSS is relieved of its delivery obligation. If these circumstances render delivery impracticable for VOSS, VOSS is authorized to withdraw from the contract [...] and on behalf of VOSS. If goods are processed with objects not owned by VOSS, VOSS acquires co-ownership in the new goods at the ratio equal to the value of the good supplied by VOSS compared to the other [...] deliveries, and performances of VOSS Group (hereinafter as “VOSS”). The same applies to supplements, modifications, and collateral agreements. 1.2. Conflicting or differing terms of suppls are not accepted