Just looking at the GL Journal, allowing different selections and arrangements of fields would streamline each batch template.

Users who select a batch template with a number series and balancing account specified don't necessarily need to see those fields in data entry. A stock GL Journal Entry likely won't need VAT/Posting Group information if the user just wants to issue a debit and credit for a document.

I noticed that changing the layout within one batch affected the layouts in other batches, when BC would benefit from separating layouts for each batch.