Tax on sales order header

Summary:

The referenced Sales order is not showing the tax amount on the header level bur showing on the line level

Content (required):

The total amount on the header level is correct but the tax is not shown but when we check for the amount on the line level it is showing the correct amount and tax, is this something of a functionality where the tax in RMA is pulled from Source sales order on the line level and not called on header level.

Version (include the version you are using, if applicable):

23A

Code Snippet (add any code snippets that support your topic, if applicable):