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Knowledge Base / Fiscalisation & ZIMRA FDMS / How do fiscal days (open and close) work?

How do fiscal days (open and close) work?

Open a day to trade, close it daily to submit the Z-report; here's the full cycle.

A fiscal day is the trading period a device reports on. Documents can only be issued while a day is open, and each day must be closed so its totals reach ZIMRA.

The daily cycle

  1. Open the day on the device at the start of trading (Devices → Open day).
  2. Issue invoices, credit notes and debit notes as normal.
  3. During the day, view an X-report for a read-only snapshot of totals (this does not close anything).
  4. Close the day at the end of trading. This generates the Z-report, totals every document by tax class and currency, and submits the day's counters to ZIMRA.

What's mandatory

  • A day must be closed — a Z-report is how ZIMRA receives the day's summary. Don't leave days open indefinitely.
  • Fiscal days should be closed regularly (typically daily). PI Fiscal can close them automatically on a schedule if you prefer.

If a day was left open

Close it as soon as you notice, or enable auto-close. If a close fails, see the "Fiscal day close failed" troubleshooting article.

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