Print receivables program does not pick specific credit memo template?

Summary:

We have multiple Credit memo templates specific to each BU, the Print receivables program does not pick specific credit memo template.

eg. Germany has a custom DE template , when we run the print receivable program it does not pick the DE template, it picks the default template.

We cannot mark this (DE template) template as default as suggested to one of the questions in this community, because we have multiple such templates.
Can any one please help us on this.

Thank you.

Kind regards,

Sukumari