Part 1 General Provisions of Commercial Law

Chapter 1 Introduction to Commercial Law
Chapter 2 Merchants
Chapter 3 Commercial Employees
Chapter 4 Mutual
Chapter 5 Commercial Ledgers
Chapter 6 Sales Office
Chapter 7 Commercial Registration
Chapter 8 Transfer of Business

Part 2 Commercial Activities

Chapter 1: Concept of Commercial Activities
Chapter 2 Special Provisions on Commercial Activities
Chapter 3 Special Contracts for Commercial Transactions
Chapter 4 General Rules of Commercial Conduct

Part 3 Company

Chapter 1 General Provisions of Corporate Law
Chapter 2 General Provisions of Corporate Law
Chapter 3 General Partnership
Chapter 4 Limited Partnership
Chapter 5 Limited Liability Company
Chapter 6 Stock Companies
Chapter 7 Limited Liability Company
Chapter 8 Foreign Companies

Part 4 Insurance

Chapter 1 Introduction
Chapter 2 General Provisions of Insurance Contract Law
Chapter 3 Non-life Insurance
Chapter 4 Life Insurance

Part 5: Maritime Affairs

Chapter 1 Introduction
Chapter 2 Maritime Enterprise Organization
Chapter 3 Maritime Business Activities (Maritime Transport)
Chapter 4 Maritime Enterprise Risk

Part 6 Air Transport

Chapter 1 General Provisions
Chapter 2 Air Transport
Chapter 3 Liability for Damages to Third Parties on Earth

Part 7 Bills of Exchange and Checks Act

Chapter 1 Introduction
Chapter 2 General Provisions of the Bills and Checks Act
Chapter 3 Bills of Exchange
Chapter 4 Promissory Notes
Chapter 5 Checks
Chapter 6 Electronic (Promissory) Bills

The 8th edition of the Basic Commercial Law Lecture also sold out again within a year of its publication.
This is thanks to the great love of our readers, and we would like to express our deepest gratitude to you.

After the publication of the 8th edition of this book, we revised and supplemented the parts that were lacking in the 8th edition to make it a more substantial and accessible textbook, while looking at it through the eyes of readers, and published the 9th edition.

First, the contents of the textbook were revised to reflect the amendments to the Commercial Act promulgated by Act No. 20436 on September 20, 2024 and implemented after January 31, 2025 (abolition of branch registration), the amendments to the Commercial Act promulgated by Act No. 20991 on July 22, 2025 (directors' duty of loyalty, cumulative voting system for listed companies, number of auditors on the audit committee, etc.), and the amendments to the Commercial Act in the September 2025 revised Act, which amended the amendment of July 22, 2025.

Second, in terms of case law inclusion, new case law and the contents of en banc decisions that change existing case law or case law regarding new legal interpretations were added up to August 2025, and case law that overlaps with the contents of the main text was organized.

Third, we have made further revisions to the sentences in this book to make them easier to understand.
In addition, the division of sentences into paragraphs was made more detailed and sentence expressions were corrected from the reader's perspective.
In addition, important parts of the summary of the case law were underlined to make it easier for readers to read.

Fourth, some typos were found in the textbook and were corrected.
I would like to express my sincere gratitude to my beloved tax accountant, Eunyoung Lee, who devoted her utmost effort to correcting typos and errors in this textbook, and I look forward to her growth into an excellent tax expert.

I would like to express my gratitude to PNC Media CEO Park No-il and Director Choi Jun-gyu for their continued generous support, even after the publication of this book.
I would also like to express my gratitude to all the staff, including Director Lee Sang-min of the Editorial Department, who spared no effort in making this book an even better textbook through excellent editing.

The author is constantly striving to make this book helpful to readers, and we hope for your continued support and encouragement.
We also promise to continuously strive to make this book an even better textbook by generously accepting your feedback.