How to spot expiry risk early and rotate certificates without interrupting an open fiscal day.
Expired signing certificates stop fiscalisation cold. Watch expiry dates in device settings and renew before the fiscal day opens — mid-day rotation is possible but riskier if receipts are in flight. After renewal, run a sandbox or low-value test receipt to confirm signing works, then resume normal volume.
A practical rhythm for VFD operators — preflight checks, device status, and what to do when FDMS is slow.
How Mutero handles split-currency receipts so line totals still reconcile with ZIMRA expectations.
Using the Mutero Desktop add-in for bulk fiscalization, queue retries, and FRN writeback.
