= Change my numbering system after start =
If the new numbering system does not conflict with the old one, to change the numbering rule, just go to menu Setup - Modules - Invoice setup and choose the new numbering rule in the list.
If the new rule can create conflicts with old one, it will be necessary to rename old existing references. This can be done by a SQL request.
For example, to go from numbering module Jupiter (FYYYYMM99) to Terre (FAYYMM-999), you can run the following request: