CPA Exam Parts: Complete Guide to 4 Sections

Q: What are the four parts of the CPA Exam?

The four parts are Auditing and Attestation (AUD), Business Analysis and Reporting (BAR), Taxation and Regulation (REG), and Accounting and Financial Reporting (AFR). AUD covers audit standards and procedures. BAR focuses on accounting principles and financial reporting. REG covers tax law and professional ethics. AFR, launched in 2024, consolidates comprehensive accounting standards. Each section is four hours long and consists of multiple-choice questions and task-based simulations. Candidates can take the sections in any order and have 18 months from their first exam registration to complete all four. Each section requires passing a score of at least 75 out of 99.

Q: What's the hardest part of the CPA Exam?

Difficulty varies by individual, but most candidates find REG and AFR most challenging. REG covers extensive tax rules, calculations, and ethics that many find overwhelming due to volume. AFR tests comprehensive accounting knowledge and requires integrating multiple standards simultaneously, making it conceptually demanding. AUD challenges candidates who lack audit experience since it requires systems thinking about control environments and sampling. BAR is often considered more accessible but still requires broad accounting knowledge. Your background matters significantly. Accounting graduates may find REG harder, while auditors may struggle with AFR's breadth. Historical pass rates show REG has been among the lowest, suggesting candidates find it particularly challenging.

Q: How many hours should I study for each CPA Exam part?

Most CPA candidates spend 60-80 hours studying for each exam section, though requirements vary significantly based on individual background and accounting knowledge. Those with strong accounting backgrounds may need less time, while career changers often require 100+ hours per section. The AICPA recommends allocating study time based on topic weights within each section. Plan at least 240-320 hours total for all four sections. This shouldn't be continuous study. Effective preparation spreads across weeks or months with spaced repetition, practice questions, and progressively longer study sessions. Using flashcards efficiently can reduce total study time by maximizing retention through focused drilling during shorter study windows, making them invaluable for busy professionals.

Q: Why are flashcards effective for studying the CPA Exam?

Flashcards leverage spaced repetition and active recall, two of the most effective learning techniques for retaining large volumes of information. The CPA Exam requires mastery across hundreds of concepts, rules, and procedures. Flashcards make drilling these manageable by breaking material into bite-sized pieces. They work particularly well for content-heavy sections like REG and AFR where you need rapid recall of rules and calculations. Flashcards also enable studying in short windows, perfect for busy professionals balancing work and exam prep. Active recall during flashcard reviews strengthens memory better than passive reading. For CPA content specifically, you can create cards for tax rules, audit procedures, accounting standards, consolidation steps, and decision frameworks. The flexibility to study anytime, anywhere makes flashcards a practical complement to comprehensive study materials and practice questions.

By FluentFlash Research Team·Updated 2026-04-30

The CPA Exam consists of four distinct parts that test different accounting competencies. These sections are Auditing and Attestation (AUD), Business Analysis and Reporting (BAR), Taxation and Regulation (REG), and Accounting and Financial Reporting (AFR).

Each part covers unique skills required of certified public accountants. You can take these sections in any order and have 18 months from your first registration to complete all four. With a pass rate around 50%, understanding what each section entails is essential for creating an effective study plan.

Many candidates underestimate the material breadth or fail to tailor their approach to each part's focus. This guide breaks down all four CPA Exam parts, explains what makes each challenging, and shows you how to study effectively using proven techniques like spaced repetition with flashcards.

Key Takeaways

•The CPA Exam has four sections: AUD (Auditing and Attestation), BAR (Business Analysis and Reporting), REG (Taxation and Regulation), and AFR (Accounting and Financial Reporting), each four hours long with multiple-choice questions and task-based simulations.
•Take the four sections in any order and complete all four within 18 months of your first registration; each section requires a minimum passing score of 75 out of 99.
•REG and AFR are historically the most challenging sections due to REG's extensive tax rules and AFR's requirement to integrate comprehensive accounting standards; strategic study planning is essential.
•Most candidates spend 60-80 hours per section, though this varies based on accounting background; using spaced repetition techniques can reduce total study time while improving retention.
•Flashcards are highly effective for CPA Exam preparation because they use active recall and spaced repetition, enabling mastery of rules, calculations, and conceptual frameworks through focused, bite-sized drilling.
•Understanding concepts deeply rather than memorizing rules in isolation is critical, especially for BAR and AFR where integrating multiple accounting standards is essential to answering complex simulations correctly.

The Four Parts of the CPA Exam Explained

The CPA Exam divides into four sections, each measuring different competencies required for accounting practice. You can take these sections in any order and have 18 months from your first exam registration to complete all four.

Overview of Each Section

The Auditing and Attestation (AUD) section focuses on auditing standards, procedures, and evaluating financial statements. Business Analysis and Reporting (BAR) covers accounting principles and financial reporting. Taxation and Regulation (REG) tests tax laws, regulations, and compliance requirements. Accounting and Financial Reporting (AFR) is the newest section, launched in 2024, consolidating comprehensive accounting standards and financial reporting.

Exam Structure and Length

Each section is four hours long and consists of multiple-choice questions and task-based simulations. Most candidates spend 60-80 hours studying per section, though this varies based on your accounting background and experience.

Staying Current with Updates

The AICPA (American Institute of Certified Public Accountants) updates exam content every few years to reflect changes in accounting standards and regulations. Using current study materials is critical for passing on your first attempt.

Auditing and Attestation (AUD): Mastering Audit Standards and Procedures

The Auditing and Attestation section tests your understanding of auditing standards, audit planning, and evidence evaluation. This exam covers Generally Accepted Auditing Standards (GAAS), audit procedures for different account cycles, and auditor responsibilities.

Core Topics and Focus Areas

A significant portion focuses on understanding internal controls, assessing fraud risks, and identifying material misstatements in financial statements. The section also covers attestation engagements beyond traditional audits, such as reviews and compilations. Key topics include:

Audit risk assessment and planning materiality
Evidence sufficiency and different audit report types
Internal control evaluation and fraud identification
Audit procedures across revenue, expenditure, and payroll cycles

Why AUD Challenges Many Candidates

One tricky aspect is understanding the difference between audit procedures and accounting principles. Auditors don't record transactions; they evaluate whether management recorded them correctly. This section requires systems thinking and understanding how different accounts connect through business cycles.

Preparing for Task-Based Simulations

Simulations often present real-world audit scenarios where you identify issues, determine appropriate procedures, or draft audit communications. Success requires understanding practical application, not just memorizing standards. Flashcards work exceptionally well here because you can drill audit procedures, standard citations, and decision frameworks until they become automatic.

Business Analysis and Reporting (BAR): Financial Reporting and Business Concepts

The Business Analysis and Reporting section combines accounting principles with business strategy and analysis. This part covers GAAP for various account types, consolidated financial statements, leases, revenue recognition, and financial statement analysis.

Breadth and Integration Requirements

Unlike other sections with specialized focus, BAR requires understanding how accounting connects to business decision-making. The section includes topics like business structure implications for accounting, investments, foreign currency transactions, and evaluating financial performance through ratios. One unique challenge is the breadth of accounting guidance. You need working knowledge of multiple accounting standards simultaneously.

Task-Based Simulation Expectations

Simulations often require you to record journal entries, prepare financial statement schedules, or analyze scenarios and recommend accounting treatments. The simulation environment includes access to accounting standards, so memorizing every rule is less critical than understanding concepts and knowing where to find guidance. However, time pressure means you can't spend excessive time researching.

Focusing on Concepts Over Memorization

A common mistake is focusing too heavily on memorization rather than understanding principles. Instead of memorizing lease accounting rules, understand the conceptual basis. When does a company control an asset? When should it recognize an obligation? This conceptual approach makes material stick longer and transfers better to unfamiliar questions. Flashcards excel at reinforcing concepts and building pattern recognition for different accounting scenarios.

Taxation and Regulation (REG): Tax Laws, Compliance, and Ethics

The Taxation and Regulation section covers federal income taxation, tax compliance and planning, business law, and professional ethics. Tax law is definitive in ways accounting principles are not, making the rules more straightforward.

Tax Calculation and Entity Topics

You'll encounter detailed tax calculations for individuals, corporations, partnerships, and S corporations. The section covers depreciation, deductions, credits, and entity selection decisions. Understanding how business structure affects tax liability is essential. Regulation topics include contract law, business formations, securities law, and professional responsibilities.

Professional Ethics and Compliance

The ethical standards section requires understanding the AICPA Code of Conduct. This includes how independence, confidentiality, and competence apply to CPAs in practice.

Managing Volume Through Pattern Recognition

Many candidates find REG challenging because of its sheer volume. There are countless tax rules, calculations, and edge cases. The key to managing this volume is recognizing patterns. Tax law follows logical structures: income minus deductions equals taxable income; taxable income times rates equals tax liability. Understanding this framework helps you manage new rules you haven't specifically studied.

Strategy Over Memorization

Task-based simulations present client situations where you calculate tax liability, determine entity structure, or advise on compliance. A common trap is attempting to memorize every tax number and rule. Instead, focus on major deductions, credits, and entity comparison frameworks. Flashcards are particularly valuable because you can drill tax calculations, rules for different entity types, and ethical scenarios in focused sessions.

Accounting and Financial Reporting (AFR): Comprehensive Accounting Standards and Consolidations

Accounting and Financial Reporting is the newest CPA Exam section, launched in 2024 as a consolidation of previous content. AFR covers all GAAP, from basic journal entries through complex consolidations, leases, revenue recognition, and specialized accounting areas.

Scope and Major Focus Areas

This section is comprehensive. It encompasses accounting for most account types and transactions candidates encounter in practice. A major focus is consolidated financial statements and accounting for investments. Key topics include accounting for when an investor has significant influence or control, variable interest entities, joint arrangements, and foreign operations.

Integration of Multiple Accounting Standards

One distinguishing feature of AFR is its emphasis on integrating various accounting standards. Rather than learning revenue recognition in isolation, you must understand how it interconnects with receivables, contracts, and financial statement presentation. This integration makes the section conceptually challenging but also tests deeper understanding of accounting principles.

Task-Based Simulation Complexity

Simulations require preparing journal entries, consolidation workpapers, or financial statement adjustments involving multiple complex transactions. You must identify the accounting issue, determine appropriate guidance, apply it correctly, and communicate results. Difficulty increases when multiple accounting issues interact. For example, intercompany transactions that also involve revenue recognition guidance require sophisticated judgment.

Using Flashcards for Volume Management

Flashcards help manage the volume by allowing you to isolate and drill specific concepts, consolidation procedures, and decision frameworks before integrating them in practice problems.

Start Studying CPA Exam Parts

Master the four CPA Exam sections with spaced repetition and active recall. Create flashcards for auditing standards, tax rules, accounting principles, and regulatory requirements. Study efficiently with our flashcard maker and ace your CPA Exam.

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Frequently Asked Questions

What are the four parts of the CPA Exam?

The four parts are Auditing and Attestation (AUD), Business Analysis and Reporting (BAR), Taxation and Regulation (REG), and Accounting and Financial Reporting (AFR).

AUD covers audit standards and procedures. BAR focuses on accounting principles and financial reporting. REG covers tax law and professional ethics. AFR, launched in 2024, consolidates comprehensive accounting standards.

Each section is four hours long and consists of multiple-choice questions and task-based simulations. Candidates can take the sections in any order and have 18 months from their first exam registration to complete all four. Each section requires passing a score of at least 75 out of 99.

What's the hardest part of the CPA Exam?

Difficulty varies by individual, but most candidates find REG and AFR most challenging. REG covers extensive tax rules, calculations, and ethics that many find overwhelming due to volume. AFR tests comprehensive accounting knowledge and requires integrating multiple standards simultaneously, making it conceptually demanding.

AUD challenges candidates who lack audit experience since it requires systems thinking about control environments and sampling. BAR is often considered more accessible but still requires broad accounting knowledge.

Your background matters significantly. Accounting graduates may find REG harder, while auditors may struggle with AFR's breadth. Historical pass rates show REG has been among the lowest, suggesting candidates find it particularly challenging.

How many hours should I study for each CPA Exam part?

Most CPA candidates spend 60-80 hours studying for each exam section, though requirements vary significantly based on individual background and accounting knowledge. Those with strong accounting backgrounds may need less time, while career changers often require 100+ hours per section.

The AICPA recommends allocating study time based on topic weights within each section. Plan at least 240-320 hours total for all four sections. This shouldn't be continuous study. Effective preparation spreads across weeks or months with spaced repetition, practice questions, and progressively longer study sessions.

Using flashcards efficiently can reduce total study time by maximizing retention through focused drilling during shorter study windows, making them invaluable for busy professionals.

Can I take the CPA Exam parts in any order?

Yes, you can take the four CPA Exam sections in any order and don't need to pass them sequentially. This flexibility allows you to study strategically based on your strengths and background.

Many candidates choose to take sections playing to their strengths first to build confidence, while others tackle the most challenging sections early. You have 18 months from your initial exam registration to complete all four parts. If you don't pass all four within this window, you must reregister and your oldest passing scores expire.

Most candidates complete the exam within 6-12 months. Your state's CPA board may impose additional requirements regarding the testing window or score validity, so verify your specific state's regulations before scheduling.

Why are flashcards effective for studying the CPA Exam?

Flashcards leverage spaced repetition and active recall, two of the most effective learning techniques for retaining large volumes of information. The CPA Exam requires mastery across hundreds of concepts, rules, and procedures. Flashcards make drilling these manageable by breaking material into bite-sized pieces.

They work particularly well for content-heavy sections like REG and AFR where you need rapid recall of rules and calculations. Flashcards also enable studying in short windows, perfect for busy professionals balancing work and exam prep. Active recall during flashcard reviews strengthens memory better than passive reading.

For CPA content specifically, you can create cards for tax rules, audit procedures, accounting standards, consolidation steps, and decision frameworks. The flexibility to study anytime, anywhere makes flashcards a practical complement to comprehensive study materials and practice questions.