获取免税证明
如果您参与亚马逊的税收计算服务并注册亚马逊免税计划 (ATEP)，可以按照以下步骤通过免税销售获得免税证明：
以主要账户持有人的身份登录卖家平台。只有主要账户持有人才能获得免税证明。
在报告下方,单击税收文档库。
单击免税证明。
输入您的搜索条件（订单编号或日期范围）。
单击获取报告按钮。
单击报告 (CSV) 列下方的下载报告按钮。
从下载的报告中复制安全链接并将其粘贴到浏览器中。
登录卖家平台。您的免税证明将自动生成。
注意：请务必检查每一份免税证明报告中的卖家信息，以确认其准确无误。
如果按照上述步骤操作无法获得免税证明，请确认您是否符合以下条件：
您已注册 ATEP。转到亚马逊免税计划，了解有关如何注册加入 ATEP 的信息。
您未注册亚马逊物流 (FBA)。亚马逊物流卖家必须联系卖家支持来请求免税证明。
您提供的订单编号有效。
您提供的日期范围有效。
您提供的订单编号或日期范围有对应的免税销售。
您确认该订单已在 48 小时之前发运。
亚马逊官网原文详情：
Get Tax-Exemption Certificates
If you participate in Amazon’s tax calculation services and are enrolled in the Amazon Tax-Exemption Program (ATEP), you can get the tax-exemption certificates from your tax-exempt sales by following these steps:
Sign in to Seller Central as the primary account holder. Only the primary account holder can get tax-exemption certificates.
Under Reports, click on Tax Document Library.
Click on Tax-Exemption Certificates.
Enter your search criteria (order ID or date range).
Click the Get report button.
Click the Download report button under the Reports (CSV) column.
Copy and paste the secure link into your browser from the downloaded report.
Sign in to Seller Central. Your tax-exemption certificate will generate automatically.
Note: Always review the seller information on each tax-exemption certificate report to confirm that it is accurate.
If you are unable to get a tax-exemption certificate by following the steps above, confirm that you meet the following criteria:
You are enrolled in ATEP. Go to Amazon Tax-Exemption Program for information on how to enroll in ATEP.
You are not enrolled in Fulfillment by Amazon (FBA). FBA sellers must contact Seller Support to request tax-exemption certificates.
The order ID you provided is valid.
The date range you provided is valid.
You have tax-exempt sales for the order ID or the date range you provided.
You confirmed the shipment of your order more than 48 hours ago.
文章来源：亚马逊官方网站
