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What is a Voucher Number?

Are you one of those people who encounter the term “voucher number” but don’t exactly know what it is? Well, you’re not alone. A voucher number is a combination of numbers and letters that is unique to a particular voucher, transaction or invoice. Voucher numbers are often used in accounting and other financial transactions, and can be retrieved later for reference or auditing purposes. Let’s delve deeper into what voucher numbers are and their importance in financial transactions.

Understanding Voucher Numbers

Voucher numbers are a type of reference number that is generated when a voucher, transaction or invoice is created. Voucher numbers can be alpha-numeric or numerical and are usually unique to individual transactions. They’re used to differentiate between two or more transactions that have similar details, such as customers’ names or invoice amounts. Voucher numbers are used for various purposes in financial transactions, including tracking expenses, creating financial records, processing payments, and reconciling accounts. They are also essential in audit and compliance reporting.You can find voucher numbers on invoices, receipts, and other financial documents. Since their role is critical, voucher numbers should not be changed, duplicated or skipped, once generated.

Importance of Voucher Numbers in Financial Transactions

Voucher numbers play a significant role in financial transactions, especially in accounting. They help accountants to track and audit transactions easily, and also facilitate transparency in financial records. Here’s how voucher numbers can help you keep your financial transactions organized:

1. Tracking Expenses

Voucher numbers make it easy to track expenses, refunds, and payments from various sources. You can use voucher numbers to identify payments received from specific customers, or match transaction records with receipts. This information is useful when compiling financial statements and monitoring cash inflows and outflows.

2. Creating Financial Records

Voucher numbers are used to create accurate financial records. When used alongside other critical financial data, voucher numbers can help create a precise picture of a company’s cash flow, expenses, and revenue. Voucher numbers can also be used to track errors in financial statements and identify discrepancies in financial records.

3. Processing Payments

Voucher numbers make it easier to process payments, especially during bank reconciliations. Bank reconciliations are the process of matching bank statements with financial records to ensure accuracy. Voucher numbers help to identify transactions that have not yet been reconciled, thereby reducing the risk of errors or fraud.

4. Reconciling Accounts

When reconciling accounts, voucher numbers help to match financial records with bank statements. This ensures that all transactions have been captured, and errors, if any, are corrected. Using voucher numbers simplifies the process of reconciling accounts, making it easier to detect and rectify discrepancies.

Types of Voucher Numbers

Voucher numbers are broadly divided into two types: invoice or document-based voucher numbers and non-document-based voucher numbers.

1. Invoice or Document-Based Voucher Numbers

Invoice or document-based voucher numbers are those that are created for invoices and other financial documents. They’re generally used to identify a particular transaction within the company’s financial records. They are generated automatically by accounting software, making it easy to track and reconcile accounts.

2. Non-Document-Based Voucher Numbers

Non-document-based voucher numbers are those that are created for transactions not linked to a document or invoice. These vouchers are often used for adjusting journal entries, such as payroll accruals, and other financial adjustments that don’t have documentation. Non-document-based voucher numbers are generally used to track specific transactions in financial records.


Voucher numbers may seem insignificant, but they play a crucial role in financial transactions. They facilitate transparency, accuracy, and accountability in financial records. By using voucher numbers, you can easily track expenses, create accurate financial records, process payments and reconcile accounts. So, the next time you come across the term ‘voucher number,’ you will understand its importance and the role it plays in financial transactions.