You want to maintain invoice schedule on service orders like you do in the sales orders, but there is no Invoice Schedule tab available in the service order.
SAP Business ByDesign
Reproducing the Issue
- Go to the work center Service Orders.
- Go to the view Service Order Processing.
- Edit one service order and go to Pricing and Invoicing tab, you find there is no Inovice Schedule tab there.
While in sales orders, you can find Invoice Schedule tab.
Currently, invoice schedule function is supported in Customer Contracts, Sales Orders, and Sales Quotes. It is not supported in service orders.
This is the system designed behavior.
Find more explanation from help center document:Invoice Schedule.
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