Bookkeeping

Journal entry

A journal entry is the record of a business transaction in the general ledger. It shows the date, the accounts affected, the amounts and the debit and credit sides, which must balance before the entry is posted.

Reviewed November 3, 2026

Why it matters

The journal entry is the building block of the books. Every report, reconciliation and tax return depends on entries that are complete and balanced, and an entry without support is the first thing a reviewer questions.

Example

A client pays a $1,200 insurance premium for the year. The bookkeeper records a debit to prepaid insurance and a credit to cash, then records a monthly entry to move $100 to insurance expense as each month passes.

Related terms

Questions about Journal entry

What is the difference between a journal entry and a transaction?

A transaction is the event, such as a payment or a sale. A journal entry is the bookkeeping record that puts the transaction into the general ledger.

Does every journal entry need support?

Yes. An entry should have a source document, a calculation or a note that explains it. An unsupported entry is hard to review and hard to defend in an audit.

Sources

Checked November 3, 2026. Public pages and tax rules change; confirm them before relying on them.

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