正如移动类型502一样，可以不带参考采购订单地输入一个退货交货（单）给供应商，但发货时要通过交货单来过帐。

As with movement type 502, a return delivery to the vendor is entered without reference to the purchase order, but the goods issue is posted via a delivery in Shipping.

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具有权限管理、采购合同、退货单及查询等功能。

It has the functions of the authorization management, buying contracts and products return processing, and order tracking.

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