Dear Anthony,Hope this email find you well.Really sorry for the mistake of the shipping mark and the additional cost on customs declaration.I made the shipping mark but it was put on incorrectly because I missed to check again. I promise to check all the details carefully for you in the future.And I am willing to make up for the half of the additional cost personally if you do not mind.Please do not refer to XXX (Boss), as he should not pay for it.Is everything about the products of the last order ok?
Any questions, please feel free to contact me.
Dear Anthony,Hope this email finds you well.Really sorry for the mistake of the shipping mark and the additional cost on customs declaration.I made the shipping mark but it was put on incorrectly because I was on business trip those days and I missed to check again. Sincerely sorry about this situation. I promise to check all the details carefully for you in the future.And after the meeting with (Boss) +（Sales manager), I am willing to make up for the half of the additional cost personally if you do not mind.Sincerely yours,Eva
Dear Anthony,Hope this email finds you well.We had internal discussion on the clearance issues caused in the previous shipment. 我们对于最近一次出运引起的清关问题事件进行了内部讨论。这句话代表出公司对此事的重视。The lack of supervision from our side leads to the oversight, which brought you the BIG trouble on the custom clearance. Please accept our apology. 监管的不到位导致到这个疏忽的出现，并且给你在清关中带来很大的麻烦，请在此接受我们的道歉。这里突出BIG也是表明你们有通过反思，很认真看待这个问题。You are our valued customer. We've decided that we will cover half of the additional cost you paid during the clearance process. And you can deduct it from the next order. 引出重点，你是我们的VIP客户。我们达成协议，承担你在清关过程中一半的罚金。费用将在下一次订单抵扣。这段话一箭双雕，既安抚客户，又可以引出客户下单的信心。Expecting your further comments soon.
CO 全称为CERTIFICATE OF ORIGIN 是世界范围内通用的原产地证。属于一般原产地证。