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SAL (Stato Avanzamento Lavori) is the standard Italian approach to invoicing multi-phase projects. Arya includes a full SAL flow: phase definition → execution → customer signature → invoicing.
SAL tab with phase list, status and amounts

Define phases

1

Open SAL tab

Project page → SAL tab.
2

Add phase

Click + New phase. Fill:
  • Name: e.g. “Requirements analysis”, “MVP development”, “Go-live”
  • Description: phase objectives
  • Start / expected end date
  • Invoiceable amount: % or absolute value of budget
  • Predecessors: other phases that must close first
3

Reorder

Drag-and-drop. Sum of amounts cannot exceed total budget.

Phase statuses

StatusMeaning
PlannedPhase created, not started
In progressActive
CompletedTeam declares done
Pending signatureSent to customer for approval
SignedCustomer signed the SAL
InvoicedInvoice issued for this phase

Close a phase

1

Declare completion

PM clicks Mark as completed. Arya asks for a short note and attaches closure documents (report, deliverables).
2

Send to customer

Send for signature → Arya generates a SAL PDF with description, amount, deliverable checklist. The customer receives a public link to sign it digitally.
Customer-side SAL signature page
3

Customer signs

Qualified electronic signature (QES) via SPID or certificate. On signing, the phase moves to Signed.
4

Issue invoice

Click Generate SAL invoice. Arya creates the e-invoice with the phase amount, ready for SDI submission. See E-invoicing.

SAL variants

You can add variants (mid-project changes that modify amounts or deliverables):
  • New variant → specify changes → customer signs → budget updated

SAL report

Project page → SAL report: visual timeline of phases with status, planned vs actual dates, invoiced vs remaining.

Frequently asked questions

Technically yes, but Arya’s flow blocks invoice generation if the phase isn’t signed. Force with ⋯ → Early invoice (Admin role required).
Phase returns to Completed. You can renegotiate deliverables, add a variant, and resubmit for signature.
Yes, if there are no predecessor dependencies. Arya shows them in parallel on the timeline.