What an entry contains
A useful journal entry identifies the accounting date, affected accounts, debit and credit amounts, description, and supporting reference. Systems may generate entries from invoices, payments, payroll, or other transactions.
One entry can contain several debit and credit lines. The requirement is equality of the totals, not a one-to-one pairing of every line.
Receivables examples
Hypothetical examples, assuming the revenue recognition conditions are met and excluding tax:
- Issue a $1,000 service invoice: debit accounts receivable $1,000 and credit service revenue $1,000.
- Receive and apply the customer's $1,000 payment: debit cash $1,000 and credit accounts receivable $1,000.
The receipt settles an existing receivable; it does not recognize the same revenue again. Fees, advance payments, returns, and unapplied cash can require different entries.
Balanced does not mean correct
An entry can balance while using the wrong customer, account, amount, or period. Reconcile supporting records and apply the appropriate accounting policy.
Keep approval evidence and a traceable correction history. Do not use unsupported adjustments merely to make a reconciliation difference disappear.
Reference: IRS recordkeeping guidance on double-entry accounting.