3.3.9.1 Costs due to changes until casting release (engineering and project planning)All engineering and project planning costs are included in the offer price up to an including the castingrelease index released by the client. This also includes the tests that lead to optimizing costs andfunction.3.3.9.2 Design change costsThe design development of the operating resource starts after the design meeting. Any advanceperformances performed contrary to the start meeting are the responsibility of the supplier.3.3.9.3 General change costsCost increases and decreases in the operating resources or in operating resource design caused bythe client and that deviate from the contents of the inquiry shall be offered. These shall be verifiedafter examining the costs in change management.