In order to meet legal requirements, invoice finance date is automatically changed to today's date when saving status "Finance approved"
In case for some reason, invoice needs to be back-dated, company admin can set a date in the company profile as follows:
1. Go to Company profile.
2. Click on "edit company profile" button.
3. Click on the printouts tab.
4. Enter Invoice fixed date and save.
5. As long as this field is populated, all invoices will be issued with the date specified in the company profile.
6. When the field is blank, the finance date will be set to the activity date.