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The Cash Book

Exam code: 7707
Written by: Ashika|Reviewed by: Caroline Carroll|Updated 2 July 2026

Cash or Bank

Cash or bank

Do I enter a transaction in the cash account or the bank account?

  • Enter the transaction in the cash account if physical money is exchanged

    • Paying a supplier using cash

    • Receiving cash from a customer

    • Taking money from the till for personal use

  • Enter the transaction in the bank account if there is no physical money involved

    • Transactions involving a bank transfer

    • Paying an invoice or bill by cheque

    • Receiving a cheque from a customer

    • Standing orders and direct debits

  • Some transactions are entered into both the cash and bank accounts

    • Depositing cash from the business into the business bank account

    • Withdrawing cash from the business bank account for business use

The Cash Book

The cash book

What is the cash book?

  • The cash book has two functions

    • It is a book of prime entry

    • It is a ledger account for both the cash and bank accounts

  • The cash book records all cash transactions

    • Both physical cash and cash in the bank

  • The cash book is part of the double entry system

  • There are columns for the dates and details just like other ledger accounts

  • There are three columns for the value of the transaction on both sides of the cash book

    • Discount columns

      • Discount allowed on the debit side

      • Discount received on the credit side

    • Cash columns

    • Bank columns

The cash book with three columns on each side for discount, cash and bank
The layout of the cash book

Which side should the balances be on?

  • The balance for the cash account is always on the debit side

    • Cash is always an asset

    • It can never be a liability

  • The balance for the bank account can be on either side

    • It is on the debit side if the business has money in the bank

    • It is on the credit side if the business is overdrawn

How do I enter transactions into the cash book?

  • STEP 1
    Identify whether the transaction affects the cash or bank account

  • STEP 2
    Decide whether the account should be debited or credited

    • Debit the account if the business is receiving money

    • Credit the account if the business is losing money

  • STEP 3
    Include any discount that was allowed or received

What are contra entries in the cash book?

  • A contra entry is for a transaction that is entered into both sides of the cash book

    • It will be entered in the cash column on one side

    • It will be entered in the bank column on the other side

  • The two transactions which result in contra entries are:

    • Withdrawing cash from the business bank account for business use

      • Debit the cash account

      • Credit the bank account

    • Depositing cash from the business into the business bank account

      • Debit the bank account

      • Credit the cash account

Balancing the Cash Book

Balancing the cash book

How do I balance the cash book?

  • Balance the cash columns just like any other ledger account

    • Ignore the other columns

    • Remember the balance is always brought down onto the debit side

  • Balance the bank columns just like any other ledger account

    • Ignore the other columns

    • The balance will be brought down onto the:

      • debit side if the business has money in the bank

      • credit side if the business is overdrawn

  • Do not balance the discount columns

    • You just need to total them up

    • They will likely be different totals

Where do I put the totals for the discount columns?

  • The cash book is the book of prime entry for discount

    • It records the discounts allowed and received

    • It is not part of the double entry system for discount

  • Enter the discount in the relevant accounts

  • The total on the left-hand side is the discount allowed

    • Debit the whole total to the discount allowed account

      • Label the entry as “cash book”

      • You do not need to put a separate entry for each transaction

    • Credit the relevant trade receivables accounts in the sales ledger

  • The total on the right-hand side is the discount received

    • Debit the relevant trade payables accounts in the purchases ledger

    • Credit the whole total to the discount received account 

      • Label the entry as “cash book”

      • You do not need to put a separate entry for each transaction

The Cash Book · Revision Notes · Accounting · StudyDeck