Why some accounting entries have no invoice behind them

Almost every entry in a set of accounts can be traced to a piece of paper. A credit sale produces an invoice. A payment produces a receipt or a cheque counterfoil.

Goods sent back produce a credit note. Behind each figure is a document that shows the event happened and fixes its amount.

This pattern, document first and entry second, is so steady that students come to expect it. Then, at the close of the period, a small group of entries breaks it.

Depreciation is charged, an expense is accrued, a provision is created. No invoice, no receipt and no letter from anyone lies behind any of them.

Where an ordinary entry begins

For a normal transaction, the document comes first and the accounting follows. Something happens between the business and an outside party: a customer buys goods, a supplier delivers inventory, or the bank charges a fee. That event creates evidence.

The invoice states who, what and how much. Recording is a faithful translation of that evidence into debit and credit.

The document comes from outside, so it is independent proof. Anyone checking later can hold the entry against the paper and confirm they agree.

The figure is not something the business chose. It is something it received and wrote down.

Adjustments arrive from a different direction

Period-end adjustments do not begin with an event between the business and anyone else. Nobody sends a bill for the wear on a delivery van over the year.

No customer writes to say a debt will probably go unpaid. Nothing has arrived, and nothing needs to arrive, for these entries to be made.

The prompt is the calendar. When the accounts are drawn up, the business asks whether the figures already recorded tell the truth about the period just ended.

Where they do not, an adjusting entry puts it right. The prompt is the closing of the books, not a transaction.

Why there is no document to find

These entries have no paperwork because they are not dealings with the outside world. They are recognitions the business makes about its own position.

An adjusting entry does not record that money changed hands or goods moved. It records a truth about the period that routine bookkeeping, following documents alone, could not capture.

Take depreciation. The van was bought once, and that purchase had an invoice.

But the van is used up gradually, a little in each period, and no document announces that. There is nothing to attach, because nothing was sent.

The concept takes the place of the document

If a document does not justify these entries, something else must. That is an accounting concept, most often the matching concept. It says the costs of a period should be set against the revenue those costs helped earn in the same period. This principle, not a slip of paper, gives the adjusting entry its authority.

So the ordinary entry answers to evidence, while the adjusting entry answers to a concept applied through judgement. The figures are not invented.

They rest on facts the business already holds, such as the cost of an asset. But turning those facts into a period-end figure needs reasoning, and reasoning stands where the invoice would be.

Depreciation: a cost no one invoices

A machine expected to serve for several years is paid for at the start, but its usefulness is spread across every period it works. Charging the whole cost to the year of purchase would load one period with an expense that many periods enjoy. So a share is charged each year.

No outside party bills the business for this share. The amount rests on judgements: how long the asset will last and what it will be worth at the end.

A machine costing RM50,000 and expected to serve five years, with no residual value, might carry a charge of RM10,000 a year. That figure is reasoned, not received, so no document can produce it.

Accruals and prepayments: correcting the timing

Accruals and prepayments arise because cash and benefit often part company in time. A business may use electricity all period but not yet hold the bill.

It may pay a year’s insurance in advance and use only part of it. The payment and the benefit fall in different periods.

The adjusting entry moves the cost back to the period that enjoyed the benefit. A document may exist somewhere, since an invoice will arrive eventually, but the entry is not made because that paper appeared. It is made because the period is ending and the matching concept requires the timing to be right before profit is measured.

Provisions: a considered estimate

A provision goes furthest, because it records something that has not happened yet. When a business creates a provision for doubtful debts, it sets aside a figure for money it may never collect.

No customer has refused to pay, and no document confirms a loss. The provision rests on a careful estimate of what experience suggests is likely.

This is prudence working alongside the matching concept: recognising a probable loss in the period whose sales gave rise to the risk, instead of waiting for certainty. The figure is a judgement about the future, and the future issues no invoices.

What replaces the paper trail

If evidence from outside is missing, the accounts still need to be trustworthy. A written explanation and the concept it serves replace the document.

When an adjustment is entered through the journal, a short narrative records what was done and why. A reader can follow the reasoning long after the event.

The audit trail here is one of thinking, not paperwork. Instead of pointing to an invoice, the business points to a principle and shows how it was applied to facts already in the records.

Once your child sees why an ordinary transaction begins with a document while a period-end adjustment begins with a concept, the shape of the final accounts becomes clearer. One of our teachers can trace that difference through depreciation, accruals and provisions in a one-to-one session. Book a trial class

Syllabus reference: Cambridge 0452 and 0985, syllabus for 2027 to 2029, sub-topic 4.3 Other payables and other receivables (page 14).