On receipt of the request, S3 will check the signature to ensure that the request has not been tampered with in transit.
在收到请求时，S3会检查签名以确保请求没有在传输过程中被篡改。
2
Should the documents stated in this Clause be incomplete or lost during transit, the Seller shall supply them free of charge to the Buyer at the time of receipt of the notification by the Buyer.