Step-by-Step Guide to Recording, Posting, and Balancing the Petty Cash Book

Every business, big or small, deals with a stream of tiny cash expenses – courier charges, tea for a client meeting, auto fare for the office boy, or a quick stationery purchase. Recording each of these in the main cash book would clutter it beyond use. This is exactly the problem the Petty Cash Book solves. It is a subsidiary book designed to record small, recurring cash payments in an organised, easy-to-audit manner. In this post, we will walk through how petty cash transactions are recorded, how the book is balanced, and how the totals eventually make their way into the ledger.

What is a petty cash book and why does it exist 🔗

A petty cash book is a subsidiary record maintained separately from the main cash book to track minor, day-to-day cash expenses such as postage, printing, conveyance, and refreshments. Instead of the chief cashier recording every small payment personally, a designated employee called the petty cashier handles these transactions and maintains this book.

This division of work matters more than it might seem. The chief cashier is usually occupied with large receipts, payments, and banking transactions, and having them also record every ₹20 courier bill would be inefficient. Delegating small payments to a petty cashier saves the time of the firm’s chief cashier, while still keeping a clear paper trail of where the money went.

The imprest system explained 🔗

Most organisations follow the imprest system to manage petty cash. Under this system, the petty cashier is given a fixed sum of money – say ₹2,000 – at the start of a period. This amount is called the imprest amount or float. The cashier spends from this float during the period and, at the end, submits vouchers for all the expenses incurred. The chief cashier then reimburses exactly the amount spent, restoring the float back to its original fixed level.

Under this system, the general ledger account for Petty Cash remains dormant at a constant amount, since only the difference is reimbursed each time rather than a fresh estimate. This makes control simple: at any point, the cash physically held by the petty cashier plus the total of unreimbursed vouchers should always add up to the original float.

The columnar format that makes recording easy 🔗

The real strength of a petty cash book lies in its analytical or columnar format. Rather than recording every expense in a single column, the book has separate columns for each recurring expense head, such as Printing and Stationery, Postage, Conveyance, and Sundry Expenses. Alongside these, there is one “Total Payments” column that captures every transaction regardless of category.

This dual-entry approach means each expense amount is written twice within the same book: once in the total payments column, and once again in its specific expense column. It might look repetitive, but it is what makes the book so efficient at reporting time, since analysis columns let the petty cash book act as both a book of prime entry and a summary ready for the ledger.

Typical columns in a petty cash book 🔗

While the exact columns vary by organisation, a standard columnar petty cash book usually includes the following, as commonly explained in standard accounting references on cash book formats:

• Amount received: The opening balance or the amount received from the main cashier.
• Date: The date of each receipt or payment.
• Particulars: A brief description of the transaction.
• Voucher number: The serial number of the supporting voucher or receipt.
• Total payment: The full amount of each payment, recorded on the credit side.
• Analysis columns: Individual columns for printing, postage, conveyance, and other frequent expense categories.

Step-by-step: Recording transactions in the petty cash book 🔗

Recording is a fairly mechanical process once the format is set up. Here is how it typically works:

Step 1: Receive the imprest amount 🔗

At the start of the period, the petty cashier receives the fixed float from the main cashier. This is entered on the debit (receipts) side of the book under the “Amount Received” column.

Step 2: Record each payment as it happens 🔗

Every time a small expense is incurred, the petty cashier notes the date, a short description, and the voucher number, then enters the amount in both the Total Payment column and the relevant analysis column. For instance, an auto fare of ₹80 would appear in the Total Payment column as well as under Conveyance.

Step 3: Collect supporting vouchers 🔗

Every payment needs a supporting document, generally called a petty cash voucher, which is signed off to confirm the expense actually took place. This voucher trail is what allows discrepancies to be caught quickly if the physical cash on hand does not match the book.

Below is a simplified example of how a week’s transactions might look in a columnar petty cash book, assuming an imprest amount of ₹2,000:

Balancing the petty cash book 🔗

At the end of the period, usually weekly or monthly, the petty cash book is balanced. This involves totalling the payments column and each of the analysis columns, then comparing that with the imprest amount received.

In the table above, total payments come to ₹500, so the closing cash balance is ₹2,000 − ₹500 = ₹1,500. This closing balance is carried forward as “Balance c/d”. At the start of the next period, the chief cashier reimburses exactly ₹500 to the petty cashier, restoring the float back to ₹2,000. This is the core discipline of the imprest system: only the amount actually spent is reimbursed, and the book is balanced off at the end of each period with the balance then restored to the agreed imprest amount.

An important cross-check at this stage is that the sum of all the analysis column totals must equal the total payments column. In our example, ₹270 + ₹110 + ₹80 + ₹40 = ₹500, which matches the total payments figure exactly. If it does not match, there is a recording error somewhere that needs to be traced before moving on to posting.

Posting the petty cash book to the ledger 🔗

Once the book is balanced, the totals need to be transferred, or “posted,” to the relevant accounts in the general ledger. This is where the columnar format really pays off. Instead of posting every single ₹50 or ₹80 transaction separately, only the period totals of each expense category are posted.

The posting rule is straightforward, and it mirrors how petty cash entries are treated in standard accounting solutions used by commerce students: petty cash given to the cashier is recorded on the credit side of the main cash book and posted to the debit side of the Petty Cash Account, while individual petty expense totals are posted to their respective expense accounts in the ledger. In practice, this means:

• Debit each expense account: Printing and Stationery Account is debited with ₹270, Postage Account with ₹110, Conveyance Account with ₹80, and Sundry Expenses Account with ₹40.
• Credit the Petty Cash Account: The Petty Cash Account is credited with the combined total of ₹500, matching the sum of all expense postings.

This single posting step, done periodically rather than transaction-by-transaction, is what makes the imprest system efficient. It allows small items to be collected together into weekly or monthly totals before they touch the main ledger, saving considerable clerical effort compared to posting each tiny payment individually.

Why this method matters for financial control 🔗

Beyond convenience, the petty cash book format supports genuine financial control. Because every payment needs a voucher and every column must reconcile, errors or misuse are caught quickly. The analytical petty cash book keeps a specific column and a single cash field so that the chief accountant can review one summary line for each expense head rather than sifting through dozens of individual vouchers.

This also strengthens the accuracy of financial statements. If small expenses were left unposted or scattered across the main cash book, the trial balance and profit and loss account would not reflect true operating costs. Proper recording, balancing, and posting of the petty cash book ensures that even minor expenditures are captured correctly in the final accounts, and that the imprest float itself always ties back to a verifiable balance.

A quick sanity check before reimbursement 🔗

Before the chief cashier reimburses the petty cashier, it is good practice to physically count the cash remaining and match it against the vouchers collected. Cash on hand plus total vouchers should equal the original imprest amount. Any mismatch signals either a missing voucher or a recording slip, and it is far easier to fix this weekly than to discover it months later during an audit.

What do you think? If a company suddenly grows and its small cash expenses multiply many times over, would the imprest system still hold up, or would digital expense cards make more sense? And in a columnar petty cash book, what happens to control and traceability if too many unrelated expenses get lumped into a single “Sundry” column instead of getting their own category?

References

1. https://www.accountingformanagement.org/petty-cash-book/
2. https://www.accountingcoach.com/blog/imprest-petty-cash
3. https://www.thinka.ai/en-GB/Oxford-AQA-IGCSE/Accounting-9215/Prepare-the-imprest-system-to-record-petty-cash
4. https://www.geeksforgeeks.org/accountancy/cash-book-format/
5. https://vlc.accountancy.observer/index.php/lessons/lesson-8-the-petty-cash-book-2/
6. https://www.studiestoday.com/ts-grewal-accountancy-ts-grewal-accountancy-class-11-solution-chapter-10-special-purpose-books-i
7. https://www.vedantu.com/commerce/petty-cash-book
8. https://khatabook.com/blog/what-is-the-petty-cash-book/