3227666 - Missing Legal Approval Step for E-invoicing

All invoices are supposed to have legal approval step but invoice XYZ (XYZ represents the Invoice ID) has missed this.

SAP Business ByDesign.

1. Go to the Customer Invoicing work center. 
2. Select the Invoice Documents view. 
3. Select Customer Invoice XYZ (XYZ represents the Invoice ID). 

The Invoice XYZ is released already, without legal approval process.

As the Approval status for Customer Invoice XYZ is in 'Approval not Necessary', you would have pressed 'Skip Legal Approval'.

This is expected system behavior

E-invoicing; Legal Approval; Approve; Skip Legal Approval , KBA , SRD-CRM-INV , Customer Invoicing , How To