[Foreword]

Decision has been deeply involved in the SAP field for more than 20 years and has been praised by many customers. In order to better help customers implement digital projects, the "Decision Expert Column" is completely free and open source, paying tribute to Musk's open source spirit!

Based on the senior capabilities of Decision's expert consultant team with more than 20 years of SAP experience, combined with Decision's 1,000+ successful project cases, this article summarizes and publishes the corresponding research experience and suggestions of enterprises in promoting ERP project implementation, and continues to escort the SAP implementation and delivery of enterprises.

[Problem description]

In transaction code BP or XK02, the default payment method (T: bank transfer) is maintained in the supplier master data (company code view). However, when performing MIRO settlement for purchase invoices, it was found that the system did not carry over the default payment method from the supplier master data to the MIRO field. What could be the reason for this? How can it be resolved?
 

[Problem Analysis]

1. Supplier master data (company code view) maintains: Default payment method, LFB1-ZWELS (multiple methods can be maintained), mainly used for subsequent F110 and other functions to use the default payment method for this supplier.

2. MIRO screen, or F-02 screen, manually specify the payment method. This means using a payment method other than the default one. If the default payment method is used, it does not need to be specified here.

3. If it is necessary to include the payment method in the MIRO screen, there are two implementation methods:
① Specify payment conditions, default payment method, transaction code OBB8.
 

② Perform enhancements in MIRO.
③ Perform enhancements in the GGB1 financial document line item.
 

[Solution]

1. MIRO Enhancement Transaction code SE18 Enhancement INVOICE_UPDATE.
 

After enhancement, the test is as follows.
 

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