There is default numbering in place which can be configured to suit your business. You cannot change the reference number to a previously past sequence number.

Select References

Find the Database reference you wish to change then configure the desired sequence

Select Add New Elements to add more elements to your sequence. Once you are happy with your Reference Numbering, click save for each element.

There is default numbering in place which can be configures to suit your business. Similar to Database Numbering you can define this by adding or removing elements and drag and drop these in the right order.

Select Document Numbering

Configure the document references for the different types of documents that would be generated from within Proteus using Proteus data. Select save when your desired document numbering has been configured.