Money owed, explained by its flows

A payables balance is two flows and an opening. May inherited 495,000.00, added 1,006,350.00 of invoices, paid 816,800.00, and closed at 684,550.00, the exact total the aging report buckets. When those numbers meet, the module is telling the truth.

RuleRoll payables forward every month: opening, plus invoiced, minus paid, equals closing, and the closing must equal the aged open items to the cent.

Neverquote an AP balance without its movement. A balance that cannot show what was invoiced and what was paid is a number waiting to surprise treasury.

The payables balance sheet line, explained by its two flows. The close and the aging must meet at one number.

◆ May, rolled forwardtwo flows in, one balance out.

Accounts payable, May 2026	Amount
Opening balance, 1 May	495,000.00
Invoices posted	1,006,350.00
Payments made	-816,800.00
Closing balance, 31 May	684,550.00

The invoiced line is the same 1,006,350.00 the spend report cuts and the trial balance proves; the closing balance is the exact total the aging report buckets. One roll-forward, three pages agreeing. Sample values are illustrative, never client data.

◆ Why the movement view winsthe same discipline, every balance.

This is the absence roll-forward discipline applied to money owed: a closing balance defended by its flows. Paid more than invoiced and the balance shrinks toward discounts and goodwill; invoiced more than paid and treasury needs to know before the due dates arrive, not after.

◆ The owned answerflows from the two facts, closing pinned.

Invoices and payments are the supplier star’s two facts; the roll-forward is a period grouping over both, and the closing is pinned nightly against the sum of open items. When the pin fails, an invoice or payment landed wrong, and it is found that night.

Use case

Problem

The AP balance moves month to month with no flow story, aging totals drift from the ledger balance, and treasury meets due dates by surprise.

What we build

A monthly roll-forward over the invoice and payment facts, with the closing balance pinned to the aged open items and the ledger every night.

What you get

One payables number, defended: flows that explain the movement, an aging that equals the balance, and a treasury view that sees the due dates coming.

Does your AP aging equal your AP balance?

We build the roll-forward that pins them together nightly.

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Terms on this page

AP: Accounts payable, the money owed to suppliers.
roll-forward: Opening plus flows equals closing; the balance-sheet discipline.
invoiced: New obligations posted in the period.
paid: Obligations settled in the period.
the pin: The nightly check that closing equals aged open items.