Purchase Book vs Purchase Account: Key Differences & When to Use
Purchase Book is the subsidiary ledger that records every credit purchase of goods in chronological order; Purchase Account is the general-ledger account that summarises those credit purchases for the trial balance.
People confuse them because accounting software often labels the same screen “Purchase” for both daily entries and period-end totals, so the book feels like the account and vice versa.
Key Differences
Purchase Book: day-to-day detail, date-wise lines, never shows cash deals. Purchase Account: single monthly debit total, appears on the trial balance, feeds directly into cost of goods sold.
Which One Should You Choose?
Bookkeepers hit the Purchase Book daily to capture supplier invoices; accountants post the monthly summary to the Purchase Account. Use both—Book for data, Account for statements.
Examples and Daily Life
When a café buys beans on credit, the clerk logs the invoice in the Purchase Book. At month-end, the accountant transfers the total ₹45,000 to the Purchase Account and closes the ledger.
Can I skip the Purchase Book if software auto-posts?
No—auditors still need the line-item detail the Book provides.
Does the Purchase Account handle cash purchases?
No; cash buys go straight to the Cash Book, not the Purchase Account.
What happens if totals don’t match?
Trace each entry in the Purchase Book to find the posting error before closing the Purchase Account.