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Part of Reading accounts receivable as a beginner bookkeeper: aging, payments and credit notes

Aging report damage comes from a few receivable habits, not one

Nine accounts receivable mistakes that wreck the aged report, from receipts booked as income to unallocated cash, each with what it hides and the correcting entry.

Receivables errors do not lose money the way payables errors do. They lose information, and the information they lose is the one thing a small business most needs: an accurate view of who owes what, and how likely it is to arrive.

Nine of them are below. Each carries the entry that produced it, what it hides, and the correction. All amounts are invented, and the ordering is roughly by how long the error typically survives.

What to take away

  • The most damaging errors are the ones that make the aged report wrong, because the aged report is what the whole function runs on.
  • Half of these come from one habitrecording money by what the bank feed says rather than by what the customer was paying for.
  • A credit note and a write-off are different entries with different meanings, and using one for the other quietly rewrites your sales history.

1. Recording a receipt as new income

A payment lands in the bank and is coded to a sales account because it arrived as a deposit.

Receipt coded as income vs correct

Wrong: coded to sales

Bank
up
Income
doubled
Customer balance
still owing
Aged report
false debt

Right: reduce customer

Bank
up
Income
unchanged
Customer balance
reduced
Aged report
correct

What it hides: that the sale was already recorded when the invoice was raised. Revenue is now doubled and the customer still shows as owing. Correction: the receipt reduces what the customer owes and touches income not at all. The timing rule behind this is the whole subject of the revenue recording guide.

2. Leaving cash unallocated

A receipt is recorded against the customer but not matched to specific invoices.

Unallocated cash on the aged report

Before: unallocated

Old invoices
show unpaid
Credit
floats at bottom
Chasing
oldest debt chased
Customer
annoyed

After: allocated

Old invoices
marked paid
Credit
applied
Chasing
correct invoice
Customer
satisfied

What it hides: which invoices are actually open. The aged report shows old invoices unpaid and a credit floating at the bottom of the account, so the oldest debt gets chased and the customer is annoyed. Correction: allocate at the point of receipt, using the remittance advice, and ask the customer where one is missing.

3. Treating a deposit as a sale

Money taken in advance for work not yet started, recorded as income.

Deposit as sale vs money received in advance

Wrong: income now

Bank
up
Income
recorded
Liability
missing
Obligation
hidden

Right: liability

Bank
up
Income
not yet
Liability
recorded
Obligation
work owed

What it hides: a liability. The business owes work, not a sale. Correction: hold it as money received in advance until the invoice for that work exists, then apply it. The effect on the balance sheet is a liability that should be there and is not.

4. Using a write-off where a credit note belongs

A customer disputes part of an invoice, the business agrees, and the amount is written off as a bad debt.

Credit note or write-off?

Was the invoice wrong?

Yes

credit note: income down

No

write-off: bad debt cost

What it hides: that the sale was wrong. A credit note reduces income, which is what happened. A write-off leaves income intact and records a bad debt cost, which says the customer refused to pay for something they owed.

Correction: use a credit note when the invoice was wrong, a write-off when it was right and the money is lost, and keep the two decisions separate. They are also treated differently for tax, which the federal guide to business expense resources is the reference for rather than any figure quoted here.

5. Netting receivables against payables

A customer who is also a supplier, with the two balances quietly offset in one place.

Netting versus explicit contra

Wrong: netted

Customer ledger
disagrees
Control account
disagrees
Document
none
Balances
unreadable

Right: contra posted

Customer ledger
agrees
Control account
agrees
Document
agreed by both
Balances
both visible

What it hides: both balances. The customer ledger no longer agrees to the control account, and neither side of the relationship can be read. Correction: post a contra explicitly through both ledgers, with a document both parties have agreed, as the accounts payable guide describes from the other side.

6. Invoicing only at month end

Work delivered throughout the month, invoiced in one batch on the last day.

What it hides: nothing in the ledger, but it costs real cash. Every invoice raised on the 30th for work done on the 3rd has already spent 27 days of its terms. Correction: invoice on delivery. This is the cheapest improvement to collection available and it requires no conversation with anyone.

7. Chasing disputed invoices

A customer raises a query, nobody records it, and the automated reminders keep going.

What it hides: the real reason an invoice is unpaid. The business reads a collection problem where it has a delivery problem, and the customer reads a business that is not listening.

Correction: a dispute flag on the invoice that suspends chasing, with a named owner and a date. What you may and may not do when pursuing a balance is partly a legal question, and the federal guidance for businesses on credit and finance is where to start on it.

8. Journals posted straight to the receivables control account

An adjustment posted directly to the control account rather than through a customer.

What it hides: the disagreement between the customer ledger and the balance sheet, which then cannot be resolved because nobody knows which is right. Correction: restrict posting rights to control accounts and agree the two totals every month end.

9. Reading the aged report as a forecast

Assuming everything in the current bucket arrives on its due date.

What it hides: the customers who are consistently late, which your own history already tells you. Correction: forecast collections from what each customer has actually done, and feed that into the cash flow statement work rather than the terms on the invoice.

The corrections in one table

MistakeCorrect entry
Receipt as incomeBank up, customer balance down. Income unchanged
Unallocated cashSame receipt, matched to named invoices
Deposit as saleBank up, liability up. Income when invoiced
Write-off for a disputeIncome down, customer balance down
NettingContra posted through both ledgers, with agreement
Control account journalReverse it, post through the customer

Common questions

We have unallocated cash going back years. Where do we start?
With the oldest customers by open balance, not the oldest receipts. Reconstruct what each payment was for from remittances and dates, and ask the customer where the record has gone. Anything genuinely unidentifiable after that is a conversation with your accountant, because money you cannot attribute is not income.
Is invoicing weekly instead of monthly really worth it?
It moves cash forward by around half a month for no cost. For most small businesses that is the largest single collection improvement available.
Should the bookkeeper decide what to write off?
No. A write-off is a decision to give money away and needs approval from someone who can make that decision, filed with the entry. The bookkeeper prepares it.
Can software prevent these?
It can enforce allocation, hold a dispute flag and restrict control account postings. It cannot tell a deposit from a sale, since only the person who took the money knows. Which of them a package handles is worth testing, as the guide to accounting software sets out.

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