All sales offers and orders have an internal number in Isah, which is only used for the internal operation of Isah, and which is only relevant for script writers and report writers.

This field shows the internal file number that has been added last. This number cannot be modified.

Numbering of sales offers.

Numbering of sales orders.

Numbering of shipping notes.

Numbering of sales invoices.

Numbering of credit invoices, available on the Sales invoices form. If this number is not configured when you create a credit invoice, the new credit invoice will be assigned a sales invoice number.

Numbering of sales contracts.