The CPA Exam is a computer-based test comprised of four sections. The current exam administered by the AICPA — takes a total of 16 hours for all four-parts. Auditing and Attestation (AUD) — 4 Hours (72 questions and eight task-based simulations). Business Environment and Concepts (BEC) — 4 Hours (62 questions, four task-based simulations and three written communications tasks). Financial Accounting and Reporting (FAR) — 4 Hours (66 questions and eight task-based simulations). Regulation (REG) — 4 Hours (76 questions and eight task-based simulations). This test is for preparation of REG part which is the combination of federal taxation and business law, including ethics and professional responsibilities. Students who are familiar with tax, whether personal, partnership or corporate, should be comfortable with the Regulation materials.