5.1 Correcting Current-Period Accrual Errors

Current-period accrual errors are among the highest-stakes bookkeeping mistakes on Certified Bookkeeper (CB) Part 1, Test 2 (Error Correction and Bank Reconciliation). The trial balance still balances, cash often never moved, and the income statement still looks internally consistent — which is why these items are easy to miss and expensive to leave in place. The American Institute of Professional Bookkeepers (AIPB) lists correcting current-period accrual and deferral errors among the skills in Mastering Correction of Accounting Errors. This independent OpenExamPrep section teaches those repairs while the books of the period that contains the error are still open, before closing entries wipe revenue and expense into capital. Each Prometric test in Part 1 is scored separately; AIPB requires 75% on Test 2.

Adjusting entries create accruals. This section repairs accruals that were omitted, posted for the wrong dollars, or posted to the wrong period. The correcting entry is still a current-period journal entry. It is not a prior-period adjustment to retained earnings, and it is not a next-period reversing entry used as a substitute for fixing this year's statements.

What "current-period" means

A current-period error is discovered while the accounting period that contains the mistake has not yet been closed. December 31 adjusting entries may already be posted. The unadjusted or adjusted trial balance may already be printed. The owner may already have a draft income statement. As long as closing entries have not been posted, you can still debit or credit the revenue and expense accounts directly.

If the books have closed, those income accounts sit at zero. The same economic fix then hits owner's capital or retained earnings plus the remaining receivable or payable. That prior-period path is a different problem. Exam items that say "the books are still open" or "before closing" want the income-statement account in the correcting entry.

Three shapes of accrual error

An accrual records revenue earned or expense incurred before cash moves. The related balance-sheet account is a receivable (accrued revenue) or a payable (accrued expense). Errors fall into three diagnostic buckets.

Amount errors and omission errors are both "this period's economics, wrong dollars." Wrong-period errors are "another period's economics sitting in this period." The diagram after the worked examples maps those three repairs.

Failed to accrue revenue

Westbridge Media completes a $4,800 website project on December 27. The client is billed on January 4. No December adjusting entry is made. Under accrual accounting the $4,800 was earned in December, so December revenue and December assets are both understated by $4,800. Cash is not wrong — cash has not moved.

Correcting entry dated December 31 (books still open):

After the entry, December revenue includes the project and the December 31 balance sheet shows a receivable. When Westbridge bills and collects in January, the January entry converts the receivable to cash — or, if the firm uses reversing entries, January records the invoice the ordinary way and the reverse peels off the portion that already hit December (see reversing interaction below).

A common trap is to "correct" by waiting for the January invoice and letting January record the revenue. That leaves December's income statement and balance sheet wrong. Current-period correction means December still gets the revenue.

Failed to accrue expense

Northline Warehouse's hourly crew earned $3,750 for Monday–Wednesday, December 29–31. Payday is Friday, January 2. The bookkeeper posts nothing at December 31. Wages Expense is understated $3,750 and Wages Payable (accrued wages) is understated $3,750. Net income and equity are overstated $3,750. Cash is correct.

Correcting entry dated December 31:

If the $3,750 is instead a utilities, interest, or tax accrual, the pattern is identical: debit the expense, credit the accrued liability. Do not credit Cash. Crediting Cash would understate the checking account and skip the liability — a second error on top of the first.

Accrued too much or too little

When an accrual was posted but the dollars are wrong, do not re-record the full correct amount on top of the original. That would double-count the portion that was already right. Compute the difference and post a one-sided correction.

Over-accrued revenue. Meadowbrook Dental accrued $6,480 of interest receivable. The supporting calculation (principal × rate × days/365) supports only $5,040. Interest Revenue and Interest Receivable are each overstated by $1,440.

Under-accrued expense. Property tax accrued at $2,100; the assessor's installment that applies to December is $2,800. Property Tax Expense and Property Tax Payable are each understated by $700.

A practical alternative, used when the original accrual used the wrong account as well as the wrong amount, is two steps: reverse the entire original accrual, then record the correct accrual. The net effect on each account equals the difference method. Two-step is safer when wages were accrued to Accounts Payable — Trade instead of Wages Payable, or when the receivable was posted to the wrong customer control account.

Wrong-period accruals

Wrong-period means the economics belong to another month. On December 31 a bookkeeper accrues January's $2,200 equipment rental from Lakeside Equipment because the vendor's invoice arrived early and is dated January 1 for the January 1–31 lease. December Rent Expense is overstated $2,200 and Accrued Rent Payable is overstated $2,200.

Correcting entry in December (books still open):

January will record the rental either as a January accrual or when the invoice is paid. Leaving the December accrual in place and hoping January's reversing entry "moves" it is not a current-period correction: December statements would still include January's cost.

The mirror image is failing to accrue December's portion of an item that was recorded entirely in January. That is a failed-to-accrue error in December plus a wrong-period recording in January. Fix December while December is open; fix January in January.

Reversing-entry interaction

Many firms reverse accruing adjusting entries on the first day of the next period. The reverse zeros the payable or receivable and puts an offsetting credit in the expense (or debit in the revenue) so that when the real invoice or payroll is recorded at the full check amount, the net expense in the new period is only the new period's piece. Reversing is a next-period convenience. It does not repair a wrong December balance sheet.

Using Northline's $3,750 December wages when the January 2 check is a dedicated $3,750 payment of those three days (no January days on that check):

If December failed to accrue $3,750, there is nothing to reverse. The January 2 check then puts $3,750 of December wages into January expense. December is understated and January is overstated — a classic counterbalancing pair (Section 5.3). The reversing feature does not repair December. You still record the December 31 correcting accrual, then set the January 1 reverse at $3,750.

If December over-accrued wages at $5,000 instead of $3,750 and you correct in December, the remaining payable is $3,750. The January 1 reversing entry must reverse $3,750, not the original $5,000. Reversing $5,000 after a $1,250 December correction would credit January expense $5,000, then the $3,750 payroll would leave January with a $1,250 credit (negative) Wages Expense.

If the firm does not use reversing entries, the January payment must split December's accrued payable from any new-period expense on the same check. Either system works. Mixing them after an uncorrected error is how credit balances appear in expense accounts in January.

Correcting entries still belong in the same period, before close. Do not wait until January 1, reverse an amount that was never right, and call that a December fix. January 1 is already the next fiscal year for a calendar-year entity. December statements have already been poisoned if you wait.

Same-period workflow before close

1. Identify the error shape: omitted, amount wrong, or wrong period.
2. Reconstruct what should have been accrued from contracts, time sheets, meter reads, or day-count interest.
3. Compare that amount to what is already in the accrued receivable or payable.
4. Post a dated correcting entry in the same period: full amount if omitted; difference if over or under; full reverse if the item belongs elsewhere.
5. If reversing entries are used, update the reversing worksheet to the corrected remaining accrual.
6. Re-run the adjusted trial balance and scan the income statement and balance sheet for the affected lines before anyone closes the books.

Do not post the correction to Cash unless cash was part of the original mistake. Do not use retained earnings or owner's capital while the year is open. Do not net an omitted wage accrual against an unrelated over-accrued utility bill in a single mystery entry — correct each error so the audit trail matches the source documents.

Exam traps

• Crediting Cash on a wage or utility accrual "because we will pay it next week." Cash has not moved; the credit is a payable.
• Debiting the full correct accrual on top of an existing overstatement. That double-counts the valid piece.
• Using owner's capital for a December error discovered on December 30. Capital is the after-close route.
• Reversing the original wrong amount after you already corrected the accrual. Reverse what is still on the books.
• Treating a January invoice dated January 1 as a December cost because it arrived in the December mail.