You can modify invoices in the Draft status in case their PO# or date has changes, or you need to add or remove some work orders.
- Tap a draft invoice, and then tap Edit.
- Tap PO# field, and enter a new purchase order number.
- Tap the Date field, and then in the date picker, tap the appropriate date and tap Save.
- Tap a work order (anywhere except the Remove icon) to modify it.
- Tap Add or Remove to attach or detach work orders.
Tip Learn how to attach and detach work orders in draft invoices.