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Resources   /   Glossary

Duplicate Invoices: What Are They and How to Avoid Them

Duplicate invoices can be challenging for any business. You might have felt the frustration of sorting through paperwork only to discover that some invoices have been submitted more than once. We’ll walk you through proven methods to improve accounting accuracy, enhance your workflow, and save you time and stress. With the right tools and practices in place, you can keep your invoicing process running smoothly and maintain strong relationships with clients.

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What are Duplicate Invoices?

Duplicate invoices are invoices that are issued more than once for the same transaction. These duplicates can arise from clerical errors, such as re-entering the same invoice details into an accounting system, or from system glitches that process the same invoice multiple times. Duplicate invoices can lead to overpayment, strained relationships with suppliers, and inaccuracies in financial records.

Identifying and preventing duplicate invoices is crucial for maintaining accurate financial data and avoiding unnecessary costs. According to CFO Dive, duplicate or miscalculated spend accounts for 1 and 3 percent of the money companies spend annually on suppliers. And a study by SAP Concur, a typical SMB company experiences an invoice duplicate rate of 1.29%.

Common Causes of Duplicate Billing Errors

Several common causes can lead to this problem in your business. For example, when you receive both a paper and an electronic version of the same invoice, it’s easy to accidentally process both.

Sometimes, a supplier might send the same invoice twice, especially if they haven’t received payment within their expected timeframe. Your team could also make mistakes during manual data entry, creating duplicate records in your system.

Miscommunication between departments often results in multiple people processing the same invoice independently. In some cases, slight differences in invoice details, like a changed date or invoice number, can trick your system into treating it as a new, separate invoice.

Lastly, if your business lacks a standardized system for naming and filing invoices, you might end up with duplicates simply because no one realized the invoice had already been processed.

Best Practices for Preventing a Duplicate Invoice

Now that you understand how duplicate invoices can sneak into your system, it’s time to learn how to stop them in their tracks. The key to preventing duplicate invoices lies in creating a systematic approach that combines technology, clear procedures, and staff training.

A strong invoice management system can be your best defense against duplicate invoices. You’ll want to choose a system that centralizes all your invoice processing in one place. Look for software that automatically assigns unique invoice numbers and flags potential duplicates based on matching information.

Your system should also have a clear workflow that guides invoices through each step of the process, from receipt to payment. Make sure it includes features like digital storage of invoice images and easy search capabilities.

With a good system, you can quickly check if an invoice has already been processed before approving it for payment. Remember to train your team on how to use the system properly and set up user permissions to control who can access and modify invoice information.

Take Advantage of AP Automation

AP automation can be a game-changer in your fight against duplicate invoices. By using smart software, you can reduce human error and speed up your invoice processing.

AP automation systems can automatically detect and flag potential duplicate invoices before they are processed. These systems use advanced algorithms to compare new invoices against your existing records.

When choosing an AP automation solution, look for features like three-way matching. This feature compares invoice data with purchase orders and receiving documents to ensure accuracy.

Make sure the system you choose integrates well with your existing accounting software. A smooth integration will help you maintain consistent data across all your financial processes.

Remember to involve your accounting team in the selection and implementation of any AP automation system. Their input can help ensure the new system meets your specific business needs.

Improve Data Entry Processes

Accurate data entry is key to preventing duplicate invoices. You can start by creating clear guidelines for your team on how to input invoice information correctly.

Consider implementing a double-check system where one person enters the data and another reviews it for accuracy. This extra step can catch mistakes before they lead to duplicate invoices. Using optical character recognition (OCR) technology can also help. OCR can automatically extract data from paper invoices, reducing manual entry errors.

Regularly train your staff on best practices for data entry. Include lessons on how to spot potential duplicates and what to do when they find one. Set up your data entry system to flag unusual entries. For example, it could alert users if an invoice number is very similar to one already in the system.

Encourage your team to take breaks during long data-entry sessions. Fresh eyes are more likely to catch mistakes and avoid creating duplicates.

Streamline Supplier Communication

Clear communication with your suppliers can significantly reduce the risk of duplicate invoices. Set up a meeting with each of your main suppliers to discuss your invoicing preferences and requirements.

Create a simple, one-page guide for your suppliers that outlines your invoice processing procedures and expectations. Include details like:

• Preferred invoice formats
• Required information
• How to handle invoice corrections or updates

Consider implementing a supplier portal where vendors can submit invoices electronically. Such a system can help prevent duplicate submissions and provide real-time status updates on payments.

Provide your suppliers with a specific point of contact for invoice-related queries. Having a dedicated person or team can help streamline communication and reduce confusion.

Speak to your suppliers about using unique invoice numbers for each transaction. Explain how this practice helps both parties avoid duplicate payments and streamlines the reconciliation process.

Detecting and Handling Duplicate Invoices

Even with the best prevention methods in place, it’s important to regularly check your invoices for any duplicates that might have slipped through. You should set up a schedule for auditing your invoices, perhaps monthly or quarterly, depending on your business volume.

During these audits, you’ll want to carefully compare invoices, looking for any that have matching information like:

• Dates
• Amounts
• Vendor names

Regular reconciliations help you catch duplicate invoices early, preventing them from causing larger problems down the line. When conducting your audit, use tools like spreadsheets or specialized software to help you organize and compare invoice data more efficiently.

If you do find duplicates, make sure to document them and investigate how they occurred so you can improve your processes. By making audits and reconciliations a regular part of your invoice management routine, you’ll keep your books accurate and catch any issues before they become major headaches.

Implement Duplicate Detection Software

Specialized duplicate detection software can be a powerful tool in your arsenal against duplicate invoices. These programs use advanced algorithms to scan your invoice database and flag potential duplicates based on various criteria.

Look for software that allows you to customize the matching rules to fit your specific business needs. You might want to match invoices based on vendor name, invoice number, date, or amount, or a combination of these factors.

Make sure the software you choose can integrate seamlessly with your existing accounting system. Good integration ensures that the duplicate detection process becomes a natural part of your invoice workflow.

Establish a Resolution Process

Create a step-by-step guide that outlines exactly what your team should do when they discover a duplicate invoice. Make sure everyone knows who to contact and what actions to take.

Set up a system for documenting each case of a duplicate invoice. Keep track of how it happened, who caught it, and what steps were taken to resolve it.

Designate a specific person or team to be responsible for investigating and resolving duplicate invoices. Give them the authority to communicate with suppliers and other departments as needed to sort out the issue.

Develop a communication template for reaching out to suppliers about duplicate invoices. A standard message can help ensure all necessary information is included and maintain a professional tone.

Establish a timeline for resolving duplicate invoices. Quick action can prevent issues from escalating and maintain good relationships with your suppliers.  After resolving each duplicate invoice, take time to analyze what went wrong. Use these insights to improve your processes and prevent similar issues in the future.

Staff Training and Development

Investing in your team’s skills is key to preventing duplicate invoices. Regular training sessions can help your staff stay sharp and up-to-date on the latest invoice management techniques. Consider creating a training schedule that covers different aspects of invoice processing throughout the year.

Make your training sessions interactive and engaging. Use real-world examples and hands-on exercises to help your team practice identifying and handling potential duplicate invoices. Don’t forget to include new hires in your training program. Create a comprehensive onboarding process that covers your invoice management procedures and tools.

Go From Chaos to Clarity With AvidInvoice

You’ve learned about an innovative solution that can transform your accounts payable process. By automating invoice processing, you can reduce the chances of a duplicate invoice and gain better visibility into your company’s finances.

AvidInvoice offers you the power to streamline your workflow and save valuable time. It not only automates invoice processing but also provides real-time tracking of your payments. This means you can easily manage your finances and make informed decisions without the hassle of manual entry.

Ready to take the next step? Book a demo today and discover how it can upgrade your AP department.

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