Rectification of Errors Before Preparation of the Trial Balance

WHEN an error is discovered — before the Trial Balance is drawn up, or after — decides exactly how the correction is recorded, even though the underlying mistake may be identical either way. If every error is located and corrected BEFORE the Trial Balance is prepared, no Suspense Account is ever needed, because the Trial Balance that finally gets drawn up already reflects the corrected figures.

Rectifying a two-sided (complete) error, at any stage — always by a normal journal entry

A two-sided error already has equal, self-balancing debit and credit effects, so rectifying it simply means passing the journal entry that SHOULD have been passed in the first place:

• Furniture purchased for ₹4,000 wrongly debited to Purchases Account → Furniture A/c Dr ₹4,000; To Purchases A/c ₹4,000.
• Wages of ₹1,500 paid for installing new machinery, wrongly debited to Wages Account (a capital expenditure wrongly treated as revenue expenditure) → Machinery A/c Dr ₹1,500; To Wages A/c ₹1,500.
• Goods returned to a supplier, never entered anywhere → Supplier's A/c Dr [amount]; To Purchases Return A/c [amount] — this brings the omitted transaction into the books for the first time, and since neither side had ever been recorded, this is itself a two-sided (complete) correction.

Rectifying a one-sided error found BEFORE the Trial Balance — a direct correction, not a journal entry

Because no Suspense Account has been opened yet at this stage, a one-sided error found now is simply corrected by making the missing or wrong posting directly in the ONE ledger account it affects — there is no second account available to complete a journal entry against, so none is needed:

• A purchase correctly entered in the Purchases Book but never posted to the supplier's account → simply post the missing credit now, directly in the supplier's account.
• The Sales Book's total overcast (carried forward too high) by ₹800 → simply reduce the Sales Account by ₹800 directly, with a note explaining the correction. …