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Question:

How to maintain a secondary merchant?

Answer:

You only need to provide secondary merchant information for transactions if you are an Acquirer. The secondary merchant information must be registered before it can be used to initiate transactions, otherwise errors will be returned.

You can register secondary merchants in two ways:

1- GM Portal

1. Log in to global.alipay.com.
2. Go to Business Center > Global Merchant Portal.
3. Go to Store list > Create Store.

2- Interface

1. For Online Payment Products, see Online merchant registration.
2. For In-store Payment Products, see In-store merchant registeration.

问题：

如何进行二级商户报备？

解答：

如果您的合约类型为支付机构，则您在交易中需要传递二级商户信息。

二级商户信息需要先进行报备，才能用于发起交易，否则会报错。

您可以通过以下两种方式进行二级商户报备：

1. 通过GM Portal进行报备。
2. 登陆global.alipay.com
3. Business Center => Global Merchant Portal
4. 左侧Store list => Create Store
5. 通过报备接口进行报备。
6. 线上商户报备：https://global.alipay.com/doc/global/online_maintain
7. 当面付商户报备：https://global.alipay.com/doc/global/offline_maintain