If the defect rectification or replacement delivery fails, the purchaser may - ruling out all further claims of any kind, and regardless of the legal bases therefore - choose to either repudiate the contract or demand a reduction.

• 如果过失纠正或运输新产品失败，则买方有权取消所有进一步的需求申明，不论法律基础是什么，都可要求取消该产品或者要求降低收费。