[2025 Edition] Real Estate Transaction Business Law Amendment Guide Download Form

Updated: July 2026, 1

The Real Estate Transaction Business Act is currently undergoing significant revisions in response to changes in social conditions.
In particular, the changes to the format and size of the "Contractor's License" that will be gradually implemented from April 2025, and the addition of mandatory items in the explanation of important matters, are matters that all real estate agents should immediately check.

This document provides a concise summary of the background to the legal reform, the specific changes, and a checklist of responses that will be useful in the field.

✅Main topics explained in this document

• Renewal of business registration card (sign): Change to a new format that avoids identifying individuals and clearly indicates the organizational structure (from April 7.4), and compact display size (from December 7.12).
• Expansion of important matters explanation: New obligations to provide explanations regarding trust beneficiary rights transactions for condominium buildings, the Port and Harbor Act, and the Forest Act (starting October 7.10).
• Stricter advertising regulations: Review of rules for when advertising should begin in condominium reconstruction projects (from April 8.4).

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