What a growing suspense account is telling you
A suspense account exists to hold payments that couldn't be matched to an invoice yet — a reasonable, temporary parking spot. The problem is when it stops being temporary: a backlog of unmatched payments sitting there for months is a sign the matching process itself can't keep up with transaction volume, not that the payments are unusually difficult to identify.
Why the backlog compounds
Unmatched payments aren't just an accounting inconvenience — they mean an agency can't be fully sure which invoices are actually paid, which makes collections follow-up unreliable (chasing a customer who already paid, or missing one who hasn't) and understates the accuracy of cash position reporting.
Fixing the flow, not just clearing the backlog
Clearing an existing backlog is a one-time project. Preventing it from rebuilding requires the matching process itself to run automatically as payments come in, with only genuine exceptions routed to a human — rather than every payment requiring manual review by default.
How Muhasib handles this
Muhasib's payment matching engine automatically links incoming payments to open invoices and bills, keeping the suspense account genuinely small — a short list of real exceptions, not an ever-growing backlog.