Electronic signature
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In addition to stipulating the legal definition and validity of electronic signatures that prevent the impersonation of the creator of contracts and other electronic documents and the falsification of content, we have established a certification system for certification services that meet certain standards to confirm the validity of electronic signatures.
Overview
Based on the " Act on Electronic Signatures and Certification Business (Act No. 102 of 2000) " (Electronic Signatures in Global and National Commerce Act), which came into effect on April 1, 2001, electronic documents, etc. that have been digitally signed by the Principal and meet certain requirements are presumed to be authentic (created based on the will of the Principal). In addition, certification services that meet certain standards (specified certification services) can be certified by the national government. The Digital Agency, as the competent agency under the Act, certifies specified certification services, etc.
- Act on Electronic Signatures and Certification Business (Electronic Signatures in Global and National Commerce Act) and the laws and ordinances concerned
- Application for Accreditation of Specified Certification Business
- List of Designated Research Institutions Based on Electronic Signatures in Global and National Commerce Act (PDF / 233 kb)
- List of Authorized Certification Services Based on Electronic Signatures in Global and National Commerce Act (PDF / 114 kb) (updated on March 31, 2025)
- Q & A on Electronic Contract Services for Encryption Using the Service Provider's Own Signature Key Based on the User's Instructions
- Q & A (PDF / 221 kb) on an electronic contract service that uses the service provider's own signature key to perform encryption, etc. based on the user's instructions
- Q & A on Electronic Contract Services that Perform Encryption, etc. with Signature Keys of Service Providers Themselves Based on Instructions from Users (related to Article 3 of the Electronic Signatures in Global and National Commerce Act) (PDF / 188 kb) (updated on January 9, 2024)
- Response based on the gray zone elimination system
- Inquiries about Electronic Signatures and Certification Services (Consultation Desk by Designated Investigation Institution)