This intermediate-level course provides a focused review of federal income tax reporting for C corporations, S corporations, and partnerships. Participants will examine key reporting mechanics of Forms 1120, 1120-S, and 1065, including Schedule K-1 preparation, book-to-tax reconciliation, and entity-level versus owner-level reporting distinctions. Emphasis is placed on common compliance risks, basis considerations, and areas of frequent IRS scrutiny. The course is designed to strengthen accuracy and consistency in business entity return preparation and review.