Hi Gordon,
Thank you for your reply.
I know BAPI add-on is for R3,
but I think we can download it for B1 also.
Please confirm below link page.
SAP PartnerEdge at http://sappartneredge.com/B1
→ Applications
→ SAP Business One
→ Implement.
→In the right side of the screen, in the Additional Resources section, choose Country Specific Pages, →the index of country specific pages, choose the Netherlands.
→Electronische BTW aangifte
Thank you,
Yuka