If you are planning to pursue the US CPA qualification, understanding the CPA subjects is the first and most important step. The Certified Public Accountant (CPA) credential is one of the most prestigious accounting qualifications globally and is regulated by the American Institute of Certified Public Accountants (AICPA).

The CPA exam structure has evolved in recent years under the “CPA Evolution” model, making it more specialized and industry-relevant. In this blog, we will break down all the CPA subjects, exam structure, syllabus details, and preparation strategy.

Overview of CPA Subjects (CPA Evolution Model)

Under the latest CPA exam structure, candidates must pass:

• 3 Core Sections (Compulsory)
• 1 Discipline Section (Choose 1 out of 3)

This means you will prepare for four CPA subjects in total.

Core CPA Subjects (Compulsory)

Every CPA candidate must clear the following three core sections:

1️⃣ Auditing and Attestation (AUD)

The AUD section focuses on audit procedures, ethics, and professional responsibilities.

Key Topics:

• Audit planning and risk assessment
• Internal controls
• Audit evidence and documentation
• Ethics and independence
• Reporting and attestation engagements

This subject tests your ability to apply auditing standards in real-world scenarios.

2️⃣ Financial Accounting and Reporting (FAR)

FAR is considered one of the most technical CPA subjects.

Key Topics:

• US GAAP
• Financial statements
• Revenue recognition
• Leases and bonds
• Governmental accounting
• Not-for-profit accounting

FAR requires strong conceptual clarity and numerical accuracy.

3️⃣ Taxation and Regulation (REG)

REG focuses on taxation and business law in the United States.

Key Topics:

• Individual taxation
• Corporate taxation
• Partnerships
• Ethics and professional responsibilities
• Business law

This subject is essential for those planning to work in tax consulting or compliance.

Discipline CPA Subjects (Choose One)

In addition to the three core CPA subjects, candidates must choose one discipline based on their career goals.

4️⃣ Business Analysis and Reporting (BAR)

BAR builds deeper knowledge in financial reporting and analytics.

Focus Areas:

• Advanced financial analysis
• Data analytics
• Financial planning
• Cost accounting

Best suited for candidates interested in corporate finance or financial analysis roles.

5️⃣ Information Systems and Controls (ISC)

ISC focuses on technology and internal controls.

Focus Areas:

• IT governance
• Data management
• System controls
• Cybersecurity

Ideal for candidates targeting risk advisory or IT audit roles.

6️⃣ Tax Compliance and Planning (TCP)

TCP offers deeper expertise in taxation.

Focus Areas:

• Advanced individual and corporate taxation
• Tax planning strategies
• Entity taxation
• Multi-jurisdictional tax issues

Best for candidates aiming for a taxation career.

Exam Format of CPA Subjects

Each of the CPA subjects follows a similar structure:

• Multiple-choice questions (MCQs)
• Task-based simulations (TBS)
• Case-study-based questions

The exam is computer-based and conducted throughout the year at authorized testing centers.

Duration and Passing Criteria

• Each section is 4 hours long
• Passing score: 75 out of 99
• All four CPA subjects must be cleared within the specified rolling window (as per current AICPA rules)

Which CPA Subjects Are the Hardest?

Difficulty depends on individual strengths:

• FAR is often considered the most technical
• AUD requires conceptual clarity
• REG demands strong understanding of tax law
• BAR can be calculation-heavy
• ISC is technology-oriented
• TCP is tax-intensive

Choosing the right discipline subject strategically can significantly impact your preparation efficiency.

How to Prepare for CPA Subjects

1. Understand the Blueprint

Always study according to the official AICPA blueprint.

2. Practice Simulations

Task-based simulations are critical for scoring high.

3. Time Management

Allocate at least:

• 100–150 hours per section
• Consistent weekly study schedule

4. Mock Exams

Attempt full-length mock exams before the actual test.

Career Opportunities After Clearing CPA Subjects

Once you pass all CPA subjects and complete required experience, you can work in:

• Big 4 Accounting Firms
• MNCs
• Investment Banks
• US Tax Firms
• Consulting Firms

Common roles include:

• Auditor
• Tax Consultant
• Financial Analyst
• Risk Advisory Professional
• Finance Manager

Final Thoughts

Understanding the structure of CPA subjects is crucial before starting your CPA journey. With three core sections and one discipline section, the CPA qualification provides both strong foundational knowledge and specialized expertise.

If your goal is to build a global career in accounting, audit, or taxation, mastering the CPA subjects is your gateway to becoming a licensed CPA professional.

Choose your discipline wisely, follow a structured preparation strategy, and stay consistent — success in CPA subjects is achievable with the right planning.