Reconciling the payables ledger to the creditors balance in the accounts sounds like hunting for errors and is mostly categorising timing. Working through the usual differences in order, before investigating anything, resolves most of them quickly, because each category has a characteristic size and a characteristic cause that is recognisable once you have seen it.
Goods received, not invoiced
Deliveries recorded against orders where the supplier has not yet billed. These are a genuine obligation and normally appear as an accrual rather than in payables, so they explain a difference in one direction. The size of this category is a direct function of how promptly your suppliers invoice and how promptly you record receipts.
Invoiced, not posted
Invoices received and sitting in the payables queue, unapproved or in exception, and therefore not yet in the ledger. This category is the operational one: it is the queue, valued. A large or growing figure here is worth looking at as a process signal rather than only as a reconciling item.
Payments in transit and allocation differences
Payments made and not yet cleared, and credits applied to the wrong invoice. Both are timing or allocation rather than error, and both usually resolve within a period. What is left after these three categories is worth investigating properly, and it is usually a much shorter list than the raw difference suggested.
Questions people ask about accounts payable reconciliation example
How should any of this be treated in the accounts?
That is your accountant's judgement. Payables' job is producing accurate underlying detail; the accounting treatment is decided elsewhere.
How often should we reconcile?
Monthly is usual. Doing it less often means the differences accumulate and become much harder to categorise.
What if a difference persists?
Investigate it as an item rather than carrying it forward. Persistent unexplained differences are how real errors hide among timing ones.