[Legal Amendments] Real Estate Brokerage Business Act Enforcement Regulations | Summary of impacts including changes to sign size and addition of important information explanations
Updated: July 2026, 2
For those involved in the real estate industry, we provide a summary of information on amendments to the Real Estate Transaction Business Act Enforcement Regulations and Enforcement Order.
The contents will be implemented sequentially from December 1, 2025 and April 1, 2026.Change the size of the sign (vendor label),Additional items in the important matters explanationThis includes content that is directly related to daily work.
1. The size of the sign (vendor tag) has been changed
As of December 1, 2025, the size of the signs (Form No. 9) that real estate agents display in their offices and information centers has been revised as follows.
Classification
Before revision
After the amendment (enforced)
Sign Size
Height 30cm x Width 35cm
Height 25cm x Width 35cm
The vertical width has been reduced by 5cm, making it possible to display the notice in a more compact manner than before. There will be no change to the display content, but if you have the old size displayed in your office, we recommend that you replace it as soon as possible.
2. New explanation obligations added to important matters explanation (effective April 1, 2026)
From April 1, 2026, the obligation to provide explanations regarding transactions involving condominium buildings as trust beneficiary rights will be strengthened.
■ Cases where explanation is required
If all of the following conditions apply, an explanation from a real estate agent is required.
Real estate bought and sold as "trust beneficiary rights"
The trust property is a "condominium building"
The apartment complex in question uses the "management company manager system"
As the number of properties held as trust beneficiaries and the system of appointing a management company as manager increases, additional explanations have been added to prevent problems caused by buyers' lack of understanding.
3. Revision of the Enforcement Order - Review in line with the revision of the Apartment Building Reconstruction Act
In line with the amendment to the Apartment Building Reconstruction Facilitation Act, the Real Estate Brokerage Business Act Enforcement Order will also be amended. (Effective April 1, 2020)
■ Main revisions
Review of advertising start time restrictions → Depending on the progress of the reconstruction project, excessively early advertising will be restricted.
Establishment of regulations for important matters explanation documents → Strengthening information provision regarding reconstruction projects
For businesses dealing with newly built condominiums, it is even more important to consider advertising schedules.
4. What real estate agents need to do now
This amendment requires the following measures:
✔ Replacement of sign (vendor tag)
This came into effect in December 2025. Please check to make sure that the old standards are not still being displayed.
✔ Update of important information document
Added explanatory items corresponding to condominium buildings that have been converted into trust beneficiary rights and administrator management methods.
✔ Reconfirm advertising start time rules
Advertising standards for apartment reconstruction projects have been tightened.
5. Summary
This amendment is,
Progress in real estate trust beneficiary rights
Diversification of condominium management systems
Increase in reconstruction projects
It is a response to social changes such as: For real estate businesses,Three points: signs, important information explanations, and advertisements A practical update will be required.
Taking into account the contents of this amendment, our company provides services such as acting as an agent and consultant for applications for real estate transactions and preparing important information documents. Please feel free to contact us for more information.
