Robotic Process Automation in Accounting: Opportunities and Risks

What Is Robotic Process Automation?

Robotic process automation (RPA) uses software robots, often called bots, to automate repetitive, rule-based tasks that were previously performed by humans. In accounting, RPA is being deployed across a wide range of processes, from accounts payable invoice processing and bank reconciliations to journal entry preparation and financial report generation. For CPAs, understanding RPA is important because it is fundamentally changing how accounting work is performed, what skills are valued, and how internal controls are designed and evaluated.

RPA bots interact with existing software applications in the same way a human user would, clicking buttons, entering data, copying information between systems, and following predefined rules to complete tasks. Unlike traditional software integrations that require application programming interfaces (APIs), RPA works at the user interface level, which makes it relatively quick to implement and does not require changes to underlying systems.

Common RPA Applications in Accounting

Accounts Payable and Receivable

Accounts payable is one of the most common areas for RPA deployment. Bots can extract data from invoices using optical character recognition (OCR), match invoices to purchase orders and receiving reports through three-way matching, route invoices for approval based on predefined rules, enter approved invoices into the accounting system, and initiate payment processing. In accounts receivable, bots can process cash receipts, apply payments to open invoices, and generate aging reports.

These applications reduce processing time, minimize data entry errors, and free accounting staff to focus on exception handling and higher-value analysis. However, the automation also changes the control environment, requiring new controls over the bots themselves.

Financial Close and Reporting

RPA can accelerate the financial close process by automating tasks such as intercompany reconciliation, account reconciliation, journal entry preparation for routine accruals, consolidation data gathering, and report generation and distribution. By automating these time-consuming tasks, companies can achieve faster closes while reducing the risk of manual errors.

Tax Compliance

In the tax function, RPA can automate data extraction from various source systems, preparation of tax workpapers, completion of tax forms and schedules, filing and remittance processing, and tracking of tax deadlines and compliance calendars. These applications are particularly valuable during busy tax seasons when the volume of repetitive tasks is highest.

Internal Control Implications

The introduction of RPA changes the internal control environment in significant ways. Controls that were previously performed by humans, such as three-way matching in accounts payable, are now performed by bots. This shift creates new control considerations that CPAs and auditors must understand.

First, access controls over the bots themselves become critical. The bot must be granted system access to perform its tasks, and that access must be appropriately restricted to prevent unauthorized transactions. Second, change management controls must ensure that changes to bot programming are properly authorized, tested, and documented. An unauthorized change to a bot rule could result in systematic errors or fraudulent transactions. Third, monitoring controls must verify that bots are operating as intended and producing accurate results.

Segregation of Duties

RPA can both improve and challenge segregation of duties. On one hand, bots can enforce segregation of duties more consistently than humans by refusing to process transactions that violate predefined rules. On the other hand, if a single bot or a single individual who controls the bot has access to multiple incompatible functions, the segregation of duties may be undermined. CPA candidates should understand how RPA affects the evaluation of segregation of duties in an automated environment.

Risks and Challenges

While RPA offers significant benefits, it also introduces risks. Bots follow rules exactly as programmed, which means they will consistently process errors if the rules are incorrect. Unlike a human, a bot will not question whether a rule makes sense in an unusual situation. This rigidity can lead to systematic errors that affect large volumes of transactions before they are detected.

Other risks include the dependency on the underlying systems that the bot interacts with. If a system interface changes, such as a field being moved or renamed after a software update, the bot may fail or produce incorrect results. Organizations must monitor their bots continuously and have procedures to address system changes that affect bot functionality.

Implications for CPAs

• Understand what RPA is and how it differs from traditional software integration and artificial intelligence.
• Know the common accounting processes where RPA is deployed and the benefits it provides.
• Evaluate how RPA changes the internal control environment, including access controls, change management, and monitoring.
• Recognize the risks of RPA, including the potential for systematic errors, system dependency, and the need for continuous monitoring.
• Appreciate that RPA shifts the CPA role from performing routine tasks to designing, overseeing, and evaluating automated processes.

RPA is not a future trend; it is a current reality in accounting. CPAs who understand how automation works and how it affects the control environment will be better prepared to add value in an increasingly automated profession.