Hi,

if "form" you mean the form that prints purchase invoices, then you can use the below field to show these information:


Supp. Inv. No. : for Supplier Invoice Number


Reference (Invoice): for Reference


you can have more information on how to edit the forms from the below link


http://www.hansamanuals.com/main/english/none/theconf___609/manuals/version___85/hwconvindex.htm

hope that answered your inquiry