Electronic signature
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In addition to stipulating the legal definition and effect of electronic signatures, which prevent the spoofing of the creator of electronic documents such as contracts and the falsification of content, we have established a certification system for those that meet certain standards in authentication operations to confirm the validity of electronic signatures.
Overview
Based on the " Act on Electronic Signatures and Certification Business (Act No. 102 of 2001) " (Electronic Signatures in Global and National Commerce Act), which came into effect on April 1, 2000, electronic documents, etc. with electronic signatures that meet certain requirements by the Principal are presumed to be authentic (created based on the intention of the Principal). In addition, among certification operations, those that meet certain standards (specified certification operations) can be certified by the national government. Digital Agency, as the competent agency under the said Act, provides certification for specified certification operations.
- Act on Electronic Signatures and Certification Business (Electronic Signatures in Global and National Commerce Act) and laws and regulations concerned
- Application documents for accreditation of specified certification business
- List of designated research institutions based on the Electronic Signatures in Global and National Commerce Act (PDF / 233 kb)
- List of accredited certification services based on the Electronic Signatures in Global and National Commerce Act (PDF / 316 kb) (updated on May 27, 2025)
- Q & A on electronic contract services that perform encryption, etc. using the service provider's own signature key based on the user's instructions
- Q & A on Electronic Contract Services Using Service Providers' Own Signature Keys for Encryption Based on Users' Instructions (PDF / 221 kb)
- Q & A on Electronic Contract Services Using Service Providers' Own Signature Keys for Encryption Based on Users' Instructions (Re: Article 3 of the Electronic Signatures in Global and National Commerce Act) (PDF / 188 kb) (updated on January 9, 2024)
- Answer based on the grey zone elimination system
- Inquiries regarding electronic signatures and certification operations (consultation service by a designated evaluation body)