Add Invoice address field to leads
Changes the state of the selected invoices from draft to proforma.
Provide a new field on the invoice line form, allowing to manage the lines order.
Apps will send mass invoice mail to customer
Add new state to invoice, "pending"
Invoice analytic lines for the specific partner in them
Implement a multiple approval process based on tiers for Invoicing
Implement a sequence configurator process for Invoicing
Implement a signature process for Invoicing